ci(github-action): update action allenporter/flux-local ( 7.7.1 → 7.8.0 )

| datasource  | package                | from  | to    |
| ----------- | ---------------------- | ----- | ----- |
| github-tags | allenporter/flux-local | 7.7.1 | 7.8.0 |

Author: renovate[bot]

.github/workflows/flux-diff.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Setup Flux CLI
         uses: fluxcd/flux2/action@v2.6.4
       - name: Diff Resources
-        uses: allenporter/flux-local/action/diff@7.7.1
+        uses: allenporter/flux-local/action/diff@7.8.0
         id: diff
         with:
           path: "${{ matrix.cluster_path }}/flux"