Bump rhysd/actionlint from 1.7.8 to 1.7.9 in /.github/workflows

Bumps rhysd/actionlint from 1.7.8 to 1.7.9.

---
updated-dependencies:
- dependency-name: rhysd/actionlint
  dependency-version: 1.7.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/actionlint.dockerfile

@@ -1,3 +1,3 @@
 # Since dependabot cannot update workflows using docker,
 # we use this indirection since dependabot can update this file.
-FROM rhysd/actionlint:1.7.8@sha256:96d4a8c87dbbfb3bdd324f8fdc285fc3df5261e2decc619a4dd7e8ee52bbfd46
+FROM rhysd/actionlint:1.7.9@sha256:a0383f60d92601e2694e24b24d37df7b6a40bed7cedbc447611c50009bf02d94