chore(deps): update backstage/actions action to v0.7.7

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/automate_changeset_feedback.yml

@@ -36,7 +36,7 @@ jobs:
       - name: fetch base
         run: git fetch --depth 1 origin ${{ github.base_ref }}
 
-      - uses: backstage/actions/changeset-feedback@c3038aa5576b9cd845ccc518ef854d3660e8cb40 # v0.7.6
+      - uses: backstage/actions/changeset-feedback@c4dd040f963edd226462b5f32efd319ffca12ac5 # v0.7.7
         name: Generate feedback
         with:
           diff-ref: 'origin/main'