Use full branch name

Author: llrs-roche

.github/workflows/pkgdown.yaml

@@ -230,7 +230,7 @@ jobs:
       - name: Setup R dependencies 🎦
         if: >-
           inputs.deps-installation-method == 'setup-r-dependencies'
-        uses: insightsengineering/setup-r-dependencies@dependency_resolution*
+        uses: insightsengineering/setup-r-dependencies@dependency_resolution@main
         env:
           GITHUB_PAT: ${{ steps.github-token.outputs.token }}
         with: