Merge #4001

4001: Update google-api-core requirement from ~=2.6.0 to ~=2.6.1 r=jenshnielsen a=dependabot[bot]

Updates the requirements on [google-api-core](https://github.com/googleapis/python-api-core) to permit the latest version.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/googleapis/python-api-core/releases">google-api-core's releases</a>.</em></p>
<blockquote>
<h2>v2.6.1</h2>
<h3><a href="https://github.com/googleapis/python-api-core/compare/v2.6.0...v2.6.1">2.6.1</a> (2022-03-05)</h3>
<h3>Bug Fixes</h3>
<ul>
<li>Remove py2 tag from wheel (<a href="https://github-redirect.dependabot.com/googleapis/python-api-core/issues/343">#343</a>) (<a href="https://github.com/googleapis/python-api-core/commit/7e21e9e34892472a34f9b44175fa761f0e3fd9ed">7e21e9e</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/googleapis/python-api-core/blob/main/CHANGELOG.md">google-api-core's changelog</a>.</em></p>
<blockquote>
<h3><a href="https://github.com/googleapis/python-api-core/compare/v2.6.0...v2.6.1">2.6.1</a> (2022-03-05)</h3>
<h3>Bug Fixes</h3>
<ul>
<li>Remove py2 tag from wheel (<a href="https://github-redirect.dependabot.com/googleapis/python-api-core/issues/343">#343</a>) (<a href="https://github.com/googleapis/python-api-core/commit/7e21e9e34892472a34f9b44175fa761f0e3fd9ed">7e21e9e</a>)</li>
</ul>
<h2><a href="https://github.com/googleapis/python-api-core/compare/v2.5.0...v2.6.0">2.6.0</a> (2022-03-03)</h2>
<h3>Features</h3>
<ul>
<li>initial support for Extended Operations (<a href="https://github-redirect.dependabot.com/googleapis/python-api-core/issues/344">#344</a>) (<a href="https://github.com/googleapis/python-api-core/commit/021bb7d5bf0a1d8ac58dbf0c738fac309135ba7d">021bb7d</a>)</li>
</ul>
<h2><a href="https://github.com/googleapis/python-api-core/compare/v2.4.0...v2.5.0">2.5.0</a> (2022-02-02)</h2>
<h3>Features</h3>
<ul>
<li>add api_key to client options (<a href="https://github-redirect.dependabot.com/googleapis/python-api-core/issues/248">#248</a>) (<a href="https://github.com/googleapis/python-api-core/commit/5e5ad37b8161109d65b0fab43636f7424e570fa3">5e5ad37</a>)</li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li><strong>deps:</strong> remove setuptools from dependencies (<a href="https://github-redirect.dependabot.com/googleapis/python-api-core/issues/339">#339</a>) (<a href="https://github.com/googleapis/python-api-core/commit/c782f294b50b078f01959627fb82aa4c5efec333">c782f29</a>)</li>
</ul>
<h3>Documentation</h3>
<ul>
<li>fix typo in library name (<a href="https://github-redirect.dependabot.com/googleapis/python-api-core/issues/332">#332</a>) (<a href="https://github.com/googleapis/python-api-core/commit/f267111823545a6c67ef5f10b85cd8c2fab8a612">f267111</a>)</li>
</ul>
<h2><a href="https://www.github.com/googleapis/python-api-core/compare/v2.3.2...v2.4.0">2.4.0</a> (2022-01-11)</h2>
<h3>Features</h3>
<ul>
<li>add support for 'error_info' (<a href="https://github-redirect.dependabot.com/googleapis/python-api-core/issues/315">#315</a>) (<a href="https://www.github.com/googleapis/python-api-core/commit/cc46aa68ec184871330d16a6c767f57a4f0eb633">cc46aa6</a>)</li>
<li>iterator for processing JSON responses in REST streaming. (<a href="https://github-redirect.dependabot.com/googleapis/python-api-core/issues/317">#317</a>) (<a href="https://www.github.com/googleapis/python-api-core/commit/f9f26969842b456ea372bed941d712b7a9ab7239">f9f2696</a>)</li>
</ul>
<h2><a href="https://www.github.com/googleapis/python-api-core/compare/v2.3.1...v2.3.2">2.3.2</a> (2021-12-16)</h2>
<h3>Bug Fixes</h3>
<ul>
<li>address broken wheels in version 2.3.1</li>
</ul>
<h2><a href="https://www.github.com/googleapis/python-api-core/compare/v2.3.0...v2.3.1">2.3.1</a> (2021-12-15)</h2>
<h3>Bug Fixes</h3>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/googleapis/python-api-core/commit/07747ca9b25601f19ade161d3730eef1da13e2ee"><code>07747ca</code></a> chore(main): release 2.6.1 (<a href="https://github-redirect.dependabot.com/googleapis/python-api-core/issues/352">#352</a>)</li>
<li><a href="https://github.com/googleapis/python-api-core/commit/7e21e9e34892472a34f9b44175fa761f0e3fd9ed"><code>7e21e9e</code></a> fix: Remove py2 tag from wheel (<a href="https://github-redirect.dependabot.com/googleapis/python-api-core/issues/343">#343</a>)</li>
<li>See full diff in <a href="https://github.com/googleapis/python-api-core/compare/v2.6.0...v2.6.1">compare view</a></li>
</ul>
</details>
<br />


You can trigger a rebase of this PR by commenting ``@dependabot` rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- ``@dependabot` rebase` will rebase this PR
- ``@dependabot` recreate` will recreate this PR, overwriting any edits that have been made to it
- ``@dependabot` merge` will merge this PR after your CI passes on it
- ``@dependabot` squash and merge` will squash and merge this PR after your CI passes on it
- ``@dependabot` cancel merge` will cancel a previously requested merge and block automerging
- ``@dependabot` reopen` will reopen this PR if it is closed
- ``@dependabot` close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
- ``@dependabot` ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
- ``@dependabot` ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
- ``@dependabot` ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)


</details>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: bors[bot]

requirements.txt

@@ -14,7 +14,7 @@ cycler~=0.11.0
 decorator~=5.1.1
 defusedxml~=0.7.1
 entrypoints~=0.4
-google-api-core~=2.6.0
+google-api-core~=2.6.1
 google-auth~=2.6.0
 googleapis-common-protos~=1.55.0
 h5netcdf~=0.14.1