refactor(k8s/immich): minor tweaks to match new schema

kubernetes/app/immich/database.yaml

@@ -20,6 +20,8 @@ spec:
         runAsUser: 999
         runAsGroup: 999
         fsGroup: 999
+        seccompProfile:
+          type: RuntimeDefault
       containers:
         - name: postgres
           image: ghcr.io/immich-app/postgres:14-vectorchord0.3.0-pgvectors0.2.0
@@ -60,6 +62,12 @@ spec:
               port: 5432
             initialDelaySeconds: 5
             periodSeconds: 10
+          resources:
+            requests:
+              cpu: 100m
+              memory: 256Mi
+            limits:
+              memory: 1Gi
           volumeMounts:
             - name: data
               mountPath: /var/lib/postgresql/data