updated workflow ref

Author: sophia-chen-ttd

.github/workflows/run-e2e-tests-on-operator.yaml

@@ -117,7 +117,7 @@ on:
 jobs:
   e2e-test:
     name: E2E Test
-    uses: IABTechLab/uid2-shared-actions/.github/workflows/shared-run-e2e-tests.yaml@v3
+    uses: IABTechLab/uid2-shared-actions/.github/workflows/shared-run-e2e-tests.yaml@sch-UID2-6632-load-test-private-operator
     with:
       operator_type: ${{ inputs.operator_type }}
       identity_scope: ${{ inputs.identity_scope }}