Bump arrproxy images to v0.6.1

Pick up the golib/pg migration runner refactor released in arrproxy
v0.6.1; no behavior change.

- Bump arrproxy-api and arrproxy-ui image tags v0.6.0 -> v0.6.1

apps/base/arrstack/arrproxy/api-deployment.yaml

@@ -36,7 +36,7 @@ spec:
           type: RuntimeDefault
       containers:
         - name: api
-          image: artifactapi.k8s.syd1.au.unkin.net/docker-internal/arrproxy-api:v0.6.0
+          image: artifactapi.k8s.syd1.au.unkin.net/docker-internal/arrproxy-api:v0.6.1
           imagePullPolicy: IfNotPresent
           ports:
             - containerPort: 8080

apps/base/arrstack/arrproxy/ui-deployment.yaml

@@ -31,7 +31,7 @@ spec:
           type: RuntimeDefault
       containers:
         - name: ui
-          image: artifactapi.k8s.syd1.au.unkin.net/docker-internal/arrproxy-ui:v0.6.0
+          image: artifactapi.k8s.syd1.au.unkin.net/docker-internal/arrproxy-ui:v0.6.1
           imagePullPolicy: IfNotPresent
           ports:
             - containerPort: 8080