test: parallelize steps in integration tests pipeline

Author: radugheo

.github/workflows/test-uipath-llamaindex.yml

@@ -59,7 +59,6 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       contents: read
-    needs: test-uipath-llamaindex
     outputs:
       testcases: ${{ steps.discover.outputs.testcases }}
     steps: