CLOUDP-347174: Enable on demand nightlies (#2718)

Author: josvazg

.github/workflows/cloud-tests.yml

@@ -4,7 +4,7 @@ on:
   workflow_call:
 
 concurrency:
-  group: cloud-tests-${{ (github.ref == 'refs/heads/main' && github.event_name == 'schedule' && 'nightly') || (github.ref == 'refs/heads/main' && github.event_name == 'push' && 'merge') || github.actor || github.triggering_actor }}
+  group: cloud-tests-${{ (github.ref == 'refs/heads/main' && (github.event_name == 'schedule' || github.event_name == 'workflow_dispatch') && 'nightly') || (github.ref == 'refs/heads/main' && github.event_name == 'push' && 'merge') || github.actor || github.triggering_actor }}
   cancel-in-progress: true
 
 jobs:

.github/workflows/tests-e2e2.yaml

@@ -78,7 +78,7 @@ jobs:
           EVENT_NAME: ${{ github.event_name }}
         run: |
           # Nightly runs all tests, overriding PR labels as '["test/e2e2/*"]'
-          if [ "${GITHUB_REF}" == "refs/heads/main" ] && [ "${EVENT_NAME}" == "schedule" ];then
+          if [ "${GITHUB_REF}" == "refs/heads/main" ] && [ "${EVENT_NAME}" == "schedule" -o "${EVENT_NAME}" == "workflow_dispatch" ];then
             PR_LABELS='["test/e2e2/*"]'
             echo "Nightly runs all tests"
           fi