Remove compromised GH action

Author: alexeyr

.github/workflows/examples.yml

@@ -21,14 +21,20 @@ jobs:
           persist-credentials: false
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v44
-        with:
-          files: |
-            lib/generators/**
-            rakelib/example_type.rb
-            rakelib/example_config.yml
-            rakelib/examples.rake
-            rakelib/run_rspec.rake
+        run: |
+          git fetch origin ${{ github.event.before }}
+          CHANGED_FILES=$(git diff --name-only ${{ github.event.before }} ${{ github.sha }} -- \
+            lib/generators/ \
+            rakelib/example_type.rb \
+            rakelib/example_config.yml \
+            rakelib/examples.rake \
+            rakelib/run_rspec.rake)
+          if [ -n "$CHANGED_FILES" ]; then
+            ANY_CHANGED=true
+          else
+            ANY_CHANGED=false
+          fi
+          echo "any_changed=$ANY_CHANGED" >> "$GITHUB_OUTPUT"
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with: