Bump actions/github-script from 6 to 7

Bumps [actions/github-script](https://github.com/actions/github-script) from 6 to 7.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v6...v7)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/watch.yml

@@ -16,7 +16,7 @@ jobs:
         curl https://raw.githubusercontent.com/MicrosoftDocs/azure-docs/main/articles/virtual-machines/sizes.md --output .github/snapshots/size.md
         git diff > snapshot.diff
     - name: Create an issue
-      uses: actions/github-script@v6
+      uses: actions/github-script@v7
       with:
         github-token: ${{secrets.GITHUB_TOKEN}}
         script: |