Bump fregante/setup-git-user from 1 to 2

Bumps [fregante/setup-git-user](https://github.com/fregante/setup-git-user) from 1 to 2.
- [Release notes](https://github.com/fregante/setup-git-user/releases)
- [Commits](fregante/setup-git-user@v1...v2)

---
updated-dependencies:
- dependency-name: fregante/setup-git-user
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/nightly-deploy.yaml

@@ -17,7 +17,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
           submodules: true
       - name: Setup Git User to GitHub Action bot
-        uses: fregante/setup-git-user@v1
+        uses: fregante/setup-git-user@v2
 
       - name: Update Content Submodule
         id: update