[deps]: Update bitwarden/gh-actions digest to 9b4dfe8

Author: renovate[bot]

.github/workflows/workflow-linter.yml

@@ -8,4 +8,4 @@ on:
 
 jobs:
   call-workflow:
-    uses: bitwarden/gh-actions/.github/workflows/workflow-linter.yml@abd4b8f01f8b34457a6ab35bd253768f4045231a
+    uses: bitwarden/gh-actions/.github/workflows/workflow-linter.yml@9b4dfe8b53bd28d02535179f8df4a11f98d79f38