build(deps): bump fregante/setup-git-user from 1 to 2 (RasaHQ#1664)

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
...

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.github/workflows/promote.yml

@@ -17,7 +17,7 @@ jobs:
           fetch-depth: 0
           ref: master
           token: ${{ secrets.GORELEASER_GITHUB_TOKEN }}
-      - uses: fregante/setup-git-user@v1
+      - uses: fregante/setup-git-user@v2
       - uses: actions/setup-go@v3
         with:
           go-version: ${{ env.GO_VERSION }}