Bump superfly/flyctl-actions from 1.4 to 1.5

Bumps [superfly/flyctl-actions](https://github.com/superfly/flyctl-actions) from 1.4 to 1.5.
- [Release notes](https://github.com/superfly/flyctl-actions/releases)
- [Commits](superfly/flyctl-actions@1.4...1.5)

---
updated-dependencies:
- dependency-name: superfly/flyctl-actions
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/guestbook_service.yml

@@ -98,7 +98,7 @@ jobs:
 
       - name: Deploy Production
         if: ${{ github.ref == 'refs/heads/main' }}
-        uses: superfly/flyctl-actions@1.4
+        uses: superfly/flyctl-actions@1.5
         with:
           args: "deploy --image registry.fly.io/${{ steps.app_name.outputs.value }}:${{ github.ref_name }}-${{ github.sha }}"
         env: