ci: Replace deprecated ginkgo option --slow-spec-threshold

This patch remove the deprecated ginkgo option --slow-spec-threshold,
by specific internval using option --poll-progress-after to emit the 
progress report in long ginkgo run.

Closes: cloudnative-pg#1045 
Signed-off-by: Danish Khan <danish.khan@enterprisedb.com>

Author: danishedb

hack/e2e/run-e2e.sh

@@ -88,7 +88,9 @@ if [[ "${TEST_UPGRADE_TO_V1}" != "false" ]]; then
   mkdir -p "${ROOT_DIR}/tests/e2e/out"
   # Unset DEBUG to prevent k8s from spamming messages
   unset DEBUG
-  ginkgo --nodes=1 --slow-spec-threshold=5m --label-filter "upgrade" --output-dir "${ROOT_DIR}/tests/e2e/out" --json-report  "upgrade_report.json" -v "${ROOT_DIR}/tests/e2e/..." || RC_GINKGO1=$?
+  ginkgo --nodes=1 --poll-progress-after=300s --poll-progress-interval=30s --label-filter "upgrade" \
+   --output-dir "${ROOT_DIR}/tests/e2e/out" \
+   --json-report  "upgrade_report.json" -v "${ROOT_DIR}/tests/e2e/..." || RC_GINKGO1=$?
 
   # Report if there are any tests that failed and did NOT have an "ignore-fails" label
   jq -e -c -f "${ROOT_DIR}/hack/e2e/test-report.jq" "${ROOT_DIR}/tests/e2e/out/upgrade_report.json" || RC=$?
@@ -119,7 +121,7 @@ if [ "${FEATURE_TYPE-}" ]; then
 fi
 
 echo "E2E tests are running with the following filters: ${LABEL_FILTERS}"
-ginkgo --nodes=4 --timeout 3h --slow-spec-threshold 5m --label-filter "${LABEL_FILTERS}" \
+ginkgo --nodes=4 --timeout 3h --poll-progress-after=300s --poll-progress-interval=30s --label-filter "${LABEL_FILTERS}" \
        --output-dir "${ROOT_DIR}/tests/e2e/out/"  --json-report  "report.json" \
        -v "${ROOT_DIR}/tests/e2e/..." || RC_GINKGO2=$?