[FLINK-36513][ci] Introducing retry mechanism for kubectl apply cert-manager

Author: 1996fanrui

.github/workflows/ci.yml

@@ -93,8 +93,9 @@ jobs:
           start_minikube
       - name: Install cert-manager
         run: |
+          source e2e-tests/utils.sh
           kubectl get pods -A
-          kubectl apply -f https://github.com/jetstack/cert-manager/releases/download/v1.8.2/cert-manager.yaml
+          retry_times 5 30 "kubectl apply -f https://github.com/jetstack/cert-manager/releases/download/v1.8.2/cert-manager.yaml" || exit 1
           kubectl -n cert-manager wait --all=true --for=condition=Available --timeout=300s deploy
       - name: Build image
         run: |
@@ -223,8 +224,9 @@ jobs:
           start_minikube
       - name: Install cert-manager
         run: |
+          source e2e-tests/utils.sh
           kubectl get pods -A
-          kubectl apply -f https://github.com/jetstack/cert-manager/releases/download/v1.8.2/cert-manager.yaml
+          retry_times 5 30 "kubectl apply -f https://github.com/jetstack/cert-manager/releases/download/v1.8.2/cert-manager.yaml" || exit 1
           kubectl -n cert-manager wait --all=true --for=condition=Available --timeout=300s deploy
       - name: Build image
         run: |