Merge pull request #1158 from damdo/fix-manager-deployment-port

fix: invalid string for manager's deployment containerPort

Author: k8s-ci-robot

config/manager/manager.yaml

@@ -32,7 +32,7 @@ spec:
         - containerPort: 9440
           name: healthz
           protocol: TCP
-        - containerPort: ${CAPG_DIAGNOSTICS_PORT:=8443}
+        - containerPort: 8443
           name: metrics
           protocol: TCP
         readinessProbe: