prow: add TEST_RUN_ALL_TESTS to catalog periodic 🖊

This is to ensure we run all the tests during the nightly tests of
the catalog.

Signed-off-by: Vincent Demeester <vdemeest@redhat.com>

prow/config.yaml

@@ -1171,6 +1171,9 @@ periodics:
       - "--" # end bootstrap args, scenario args below
       - "--" # end kubernetes_execute_bazel flags (consider following flags as text)
       - "./test/e2e-tests-upgrade.sh"
+      env:
+      - name: TEST_RUN_ALL_TESTS
+        value: 1
 - cron: "6 3 * * *"
   name: periodic-tekton-catalog-integration-tests
   labels: