Bump get-port from 5.0.0 to 5.1.1

Bumps [get-port](https://github.com/sindresorhus/get-port) from 5.0.0 to 5.1.1.
- [Release notes](https://github.com/sindresorhus/get-port/releases)
- [Commits](sindresorhus/get-port@v5.0.0...v5.1.1)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package-lock.json

@@ -26,7 +26,7 @@
     "@types/node": "^12.12.36",
     "@types/power-assert": "^1.5.0",
     "espower-typescript": "^9.0.0",
-    "get-port": "^5.0.0",
+    "get-port": "^5.1.1",
     "mocha": "^6.2.1",
     "power-assert": "^1.4.4",
     "then-request": "^6.0.2",