Bump rhysd/actionlint Docker tag to v1.7.9 (#583)

| datasource | package          | from  | to    |
| ---------- | ---------------- | ----- | ----- |
| docker     | rhysd/actionlint | 1.7.8 | 1.7.9 |

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

Author: renovate[bot]

.github/workflows/lint.yml

@@ -44,7 +44,7 @@ jobs:
       run: echo "::add-matcher::.github/actionlint-matcher.json"
 
     - name: Lint workflows with actionlint
-      uses: docker://rhysd/actionlint:1.7.8@sha256:96d4a8c87dbbfb3bdd324f8fdc285fc3df5261e2decc619a4dd7e8ee52bbfd46
+      uses: docker://rhysd/actionlint:1.7.9@sha256:a0383f60d92601e2694e24b24d37df7b6a40bed7cedbc447611c50009bf02d94
       with:
         args: -color