postgresql: change plugin id (#77444)

* postgres: change plugin id

* fixed cue file

* codeowners update

* fixed backend test

.github/CODEOWNERS

@@ -255,7 +255,7 @@
 
 # BI backend code
 /pkg/tsdb/mysql/ @grafana/oss-big-tent
-/pkg/tsdb/postgres/ @grafana/oss-big-tent
+/pkg/tsdb/grafana-postgresql-datasource/ @grafana/oss-big-tent
 /pkg/tsdb/mssql/ @grafana/grafana-bi-squad
 
 # Database migrations
@@ -544,7 +544,7 @@ scripts/generate-icon-bundle.js @grafana/plugins-platform-frontend @grafana/graf
 /public/app/plugins/datasource/mssql/ @grafana/grafana-bi-squad
 /public/app/plugins/datasource/mysql/ @grafana/oss-big-tent
 /public/app/plugins/datasource/opentsdb/ @grafana/observability-metrics
-/public/app/plugins/datasource/postgres/ @grafana/oss-big-tent
+/public/app/plugins/datasource/grafana-postgresql-datasource/ @grafana/oss-big-tent
 /public/app/plugins/datasource/prometheus/ @grafana/observability-metrics
 /public/app/plugins/datasource/cloud-monitoring/ @grafana/partner-datasources
 /public/app/plugins/datasource/zipkin/ @grafana/observability-traces-and-profiling

.github/pr-commands.json

@@ -149,7 +149,7 @@
   },
   {
     "type": "changedfiles",
-    "matches": [ "public/app/plugins/datasource/postgres/**/*", "pkg/tsdb/postgres/**/*"],
+    "matches": [ "public/app/plugins/datasource/grafana-postgresql-datasource/**/*", "pkg/tsdb/grafana-postgresql-datasource/**/*"],
     "action": "updateLabel",
     "addLabel": "datasource/Postgres"
   },