Bump rhysd/actionlint Docker digest to 887a259 (#151)

* Bump rhysd/actionlint Docker digest to 887a259

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

* Apply suggestions from code review

---------

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

Author: renovate[bot]

.github/workflows/lint.yml

@@ -36,7 +36,7 @@ jobs:
       run: echo "::add-matcher::.github/actionlint-matcher.json"
 
     - name: Lint workflows
-      uses: docker://rhysd/actionlint@sha256:887a259a5a534f3c4f36cb02dca341673c6089431057242cdc931e9f133147e9 # v1.7.7
+      uses: docker://rhysd/actionlint:1.7.7@sha256:887a259a5a534f3c4f36cb02dca341673c6089431057242cdc931e9f133147e9
       with:
         args: -color