Tag LGC when nightly job is successful

[CrisBarreiro]

Task/Issue URL: https://app.asana.com/1/137249556945/project/1211760946270935/task/1212502548756445?focus=true

Description

Tag LGC when nightly job is successful

Steps to test this PR

Feature 1

• Check job is successful and creates a tag with the timestamp

UI changes

n/a

---

Note

Add CI job that, on successful nightly, creates and pushes an LGC-<UTC timestamp> tag for the current commit.

• CI (GitHub Actions):
  • Add tag_lgc_when_successful job that runs after code_formatting, unit_tests, lint, and android_tests succeed.
    • Configures git with bot credentials and updates origin using secrets.GT_DAXMOBILE.
    • Creates and pushes an LGC-<UTC timestamp> tag pointing to ${{ github.sha }}.

^{Written by Cursor Bugbot for commit b3d8754. This will update automatically on new commits. Configure here.}

[CrisBarreiro]

• Tag LGC when nightly job is successful #7391 👈 (View in Graphite)
• develop

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[malmstein]

listen to the robot, also added a comment for the tag name