Update pull-request.yml (Restored if statement)

.github/workflows/pull-request.yml

@@ -62,6 +62,7 @@ jobs:
             '!src/types/**.ts'
 
       - name: Run ESLint to check for linting errors in modified files
+        if: steps.changed_files.outputs.any_changed == 'true'
         env:
           CHANGED_FILES: ${{ steps.changed_files.outputs.all_changed_files }}
         run: npx eslint ${CHANGED_FILES}