Update proxy release pipeline following Spinnaker 1.13 release

The image name in the manifest needs to be the same as the name that Spinnaker trigger catches. With the new release, Spinnaker now correctly recognizes gcr.io/${PROJECT_ID}/proxy as the image name.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=244845037

java/google/registry/proxy/kubernetes/proxy-deployment-alpha.yaml

@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
       - name: proxy
-        image: gcr.io/GCP_PROJECT/proxy:latest
+        image: gcr.io/GCP_PROJECT/proxy
         ports:
         - containerPort: 30000
           name: health-check

java/google/registry/proxy/kubernetes/proxy-deployment-crash-canary.yaml

@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
       - name: proxy-canary
-        image: gcr.io/GCP_PROJECT/proxy:latest
+        image: gcr.io/GCP_PROJECT/proxy
         ports:
         - containerPort: 30000
           name: health-check

java/google/registry/proxy/kubernetes/proxy-deployment-crash.yaml

@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
       - name: proxy
-        image: gcr.io/GCP_PROJECT/proxy:latest
+        image: gcr.io/GCP_PROJECT/proxy
         ports:
         - containerPort: 30000
           name: health-check

java/google/registry/proxy/kubernetes/proxy-deployment-production-canary.yaml

@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
       - name: proxy-canary
-        image: gcr.io/GCP_PROJECT/proxy:latest
+        image: gcr.io/GCP_PROJECT/proxy
         ports:
         - containerPort: 30000
           name: health-check

java/google/registry/proxy/kubernetes/proxy-deployment-production.yaml

@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
       - name: proxy
-        image: gcr.io/GCP_PROJECT/proxy:latest
+        image: gcr.io/GCP_PROJECT/proxy
         ports:
         - containerPort: 30000
           name: health-check

java/google/registry/proxy/kubernetes/proxy-deployment-sandbox-canary.yaml

@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
       - name: proxy-canary
-        image: gcr.io/GCP_PROJECT/proxy:latest
+        image: gcr.io/GCP_PROJECT/proxy
         ports:
         - containerPort: 30000
           name: health-check

java/google/registry/proxy/kubernetes/proxy-deployment-sandbox.yaml

@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
       - name: proxy
-        image: gcr.io/GCP_PROJECT/proxy:latest
+        image: gcr.io/GCP_PROJECT/proxy
         ports:
         - containerPort: 30000
           name: health-check