Bump cbrgm/mastodon-github-action from 2.0.5 to 2.0.6

Bumps [cbrgm/mastodon-github-action](https://github.com/cbrgm/mastodon-github-action) from 2.0.5 to 2.0.6.
- [Release notes](https://github.com/cbrgm/mastodon-github-action/releases)
- [Commits](cbrgm/mastodon-github-action@23ae66e...1c53215)

---
updated-dependencies:
- dependency-name: cbrgm/mastodon-github-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/publish-mastodon.yml

@@ -80,7 +80,7 @@ jobs:
 
       - name: Send toot to Mastodon
         if: ${{ github.event.inputs.dry-run != 'true' }} || ${{ github.event_name == 'release' }}
-        uses: cbrgm/mastodon-github-action@23ae66e7b229f11174f6018873c5f8ce3d7a6391 # v2.0.5
+        uses: cbrgm/mastodon-github-action@1c5321597ce853344afff70aa5685887243f43fa # v2.0.6
         with:
           url: ${{ secrets.MASTODON_URL }}
           access-token: ${{ secrets.MASTODON_ACCESS_TOKEN }}