Update Helm release external-secrets to v0.20.1

contentgrid-junit-jupiter-k8s/src/main/resources/com/contentgrid/junit/jupiter/externalsecrets/chart/Chart.yaml

@@ -4,5 +4,5 @@ name: external-secrets-operator
 description: "Installs external-secrets-operator, including the necessary network policies when required"
 dependencies:
   - name: external-secrets
-    version: 0.16.2
+    version: 0.20.1
     repository: "https://charts.external-secrets.io/"

contentgrid-junit-jupiter-k8s/src/test/java/com/contentgrid/junit/jupiter/externalsecrets/ExternalSecretsExtensionTest.java

@@ -64,7 +64,7 @@ void staticInjection() {
 
         static String externalSecret =
                     """
-                    apiVersion: external-secrets.io/v1beta1
+                    apiVersion: external-secrets.io/v1
                     kind: ExternalSecret
                     metadata:
                       name: ${name}
@@ -113,7 +113,7 @@ void withVersions() {
             ));
 
             var template = """
-                    apiVersion: external-secrets.io/v1beta1
+                    apiVersion: external-secrets.io/v1
                     kind: ExternalSecret
                     metadata:
                       name: versioned-secret

contentgrid-junit-jupiter-k8s/src/test/resources/com/contentgrid/junit/jupiter/k8s/wait/chart/templates/job.yaml

@@ -7,12 +7,12 @@ spec:
     spec:
       restartPolicy: Never
       containers:
-        - image: bitnami/os-shell
+        - image: ghcr.io/xenit-eu/kubectl:latest
           name: hello
           command:
             - /bin/echo
             - Hello from this job
-        - image: bitnami/os-shell
+        - image: ghcr.io/xenit-eu/kubectl:latest
           name: goodbye
           command:
             - /bin/echo