Bump JuliaRegistries/TagBot from 1.15 to 1.16

Bumps [JuliaRegistries/TagBot](https://github.com/juliaregistries/tagbot) from 1.15 to 1.16.
- [Release notes](https://github.com/juliaregistries/tagbot/releases)
- [Commits](JuliaRegistries/TagBot@v1.15...v1.16)

---
updated-dependencies:
- dependency-name: JuliaRegistries/TagBot
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/TagBot.yml

@@ -24,7 +24,7 @@ jobs:
     if: github.event_name == 'workflow_dispatch' || github.actor == 'JuliaTagBot'
     runs-on: ubuntu-latest
     steps:
-      - uses: JuliaRegistries/TagBot@v1.15
+      - uses: JuliaRegistries/TagBot@v1.16
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           ssh: ${{ secrets.DOCUMENTER_KEY }}