ci: resolve output variable conflict in PR test workflow (#1391)

Co-authored-by: AdityaP700 <126982848+AdityaP700@users.noreply.github.com>

Author: AdityaP700

.github/workflows/pr-testing-with-test-project.yml

@@ -9,14 +9,14 @@ jobs:
   changes:
     runs-on: ubuntu-latest
     outputs:
-      should_test: ${{ steps.filter.outputs.changes }}
+      should_test: ${{ steps.filter.outputs.modified_files !='[]' }}
     steps:
       - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3 https://github.com/actions/checkout/releases/tag/v3
       - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2 https://github.com/dorny/paths-filter/releases/tag/v3.0.2
         id: filter
         with:
           filters: |
-            changes:
+            modified_files:
               - 'package.json'
               - 'package-lock.json'
               - 'apps/**'
@@ -57,4 +57,4 @@ jobs:
       - if: steps.should_run.outputs.shouldrun == 'true'
         name: Run test
         run: NODE_IMAGE_TAG=${{ matrix.node }} docker compose up --abort-on-container-exit --remove-orphans --force-recreate
-        working-directory: ./apps/generator/test/test-project
+        working-directory: ./apps/generator/test/test-project