build: Bump tibdex/github-app-token from 1.5 to 1.6 (#55)

Bumps [tibdex/github-app-token](https://github.com/tibdex/github-app-token) from 1.5 to 1.6.
- [Release notes](https://github.com/tibdex/github-app-token/releases)
- [Commits](tibdex/github-app-token@v1.5...v1.6)

---
updated-dependencies:
- dependency-name: tibdex/github-app-token
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/release_tag.yml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - id: "token"
-        uses: "tibdex/github-app-token@v1.5"
+        uses: "tibdex/github-app-token@v1.6"
         with:
           app_id: "${{ secrets.BADABUMP_APP_ID }}"
           private_key: "${{ secrets.BADABUMP_APP_PRIVATE_KEY }}"