[DEVOPS-1597] - Use Action to Get Changed Files (#237)

* use action to get changed files

* fix typo

* update changed files

.github/workflows/workflow-linter.yml

@@ -19,35 +19,19 @@ jobs:
           repository: bitwarden/gh-actions
           fetch-depth: 0
 
-      - name: Get changed workflows
-        id: changed-workflows
-        run: |
-          MODIFIED_WORKFLOWS=$(git diff --name-only origin/${{ github.base_ref	}} | grep -E '.github/workflows/.*.(yml|yaml)' | tr '\n' ' ')
-          MODIFIED_EXISTING_WORKFLOWS=""
-          COUNT=0
-          for workflow in $MODIFIED_WORKFLOWS; do
-              if [ -f $workflow ]; then
-                  MODIFIED_EXISTING_WORKFLOWS+=" ${workflow}"
-                  COUNT=$((COUNT+1))
-              fi
-          done
-          echo "count=$COUNT" >> $GITHUB_OUTPUT
-          echo "modified-workflows=$MODIFIED_EXISTING_WORKFLOWS" >> $GITHUB_OUTPUT
+      - name: Get changed files
+        id: changed-files
+        uses: tj-actions/changed-files@716b1e13042866565e00e85fd4ec490e186c4a2f # v41.0.1
+        with:
+          files: .github/workflows/**
 
       - name: Workflow Lint
-        if: steps.changed-workflows.outputs.count != 0
+        if: steps.changed-files.outputs.any_changed == 'true'
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         uses: bitwarden/gh-actions/lint-workflow@main
         with:
-          workflows: ${{ steps.changed-workflows.outputs.modified-workflows }}
-
-      - name: Get changed files
-        if: steps.changed-workflows.outputs.count != 0
-        id: changed-files
-        uses: tj-actions/changed-files@716b1e13042866565e00e85fd4ec490e186c4a2f # v41.0.1
-        with:
-          files: .github/workflows/**
+          workflows: ${{ steps.changed-files.outputs.all_changed_files }}
 
       - name: Check for pinned versions
         if: steps.changed-files.outputs.any_changed == 'true'