fix(infra): skip database creation in Temporal auto-setup

CNPG already creates the temporal and temporal_visibility databases
via postInitSQL. The auto-setup container doesn't have CREATEDB
privilege, so set SKIP_DB_CREATE=true to skip that step.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/cli/infra/k8s/temporal.yaml

@@ -65,6 +65,8 @@ spec:
                   key: password
             - name: NUM_HISTORY_SHARDS
               value: "4"
+            - name: SKIP_DB_CREATE
+              value: "true"
           readinessProbe:
             tcpSocket:
               port: 7233