ci(knex): migrate to new ci

Author: glasnt

.github/config/nodejs-dev.jsonc

@@ -100,6 +100,7 @@
     "auth",
     "batch",
     "cloud-language",
+    "cloud-sql/postgres/knex",
     "cloud-tasks/snippets",
     "cloud-tasks/tutorial-gcf/app",
     "cloud-tasks/tutorial-gcf/function",

.github/config/nodejs-prod.jsonc

@@ -79,7 +79,6 @@
     "automl", // (untested) FAILED_PRECONDITION: Google Cloud AutoML Natural Language was retired on March 15, 2024. Please migrate to Vertex AI instead
     "cloud-sql/mysql/mysql", // (untested) Error: expected 200 "OK", got 500 "Internal Server Error"
     "cloud-sql/mysql/mysql2", // (untested) Error: Cannot find module './connect-connector-with-iam-authn.js'
-    "cloud-sql/postgres/knex", // (untested) CloudSQLConnectorError: Malformed instance connection name provided: expected format of "PROJECT:REGION:INSTANCE", got undefined
     "cloud-sql/sqlserver/mssql", // (untested) TypeError: The "config.server" property is required and must be of type string.
     "cloud-sql/sqlserver/tedious", // (untested) TypeError: The "config.server" property is required and must be of type string.
     "compute", // GoogleError: The resource 'projects/long-door-651/zones/us-central1-a/disks/disk-from-pool-name' was not found

cloud-sql/postgres/knex/ci-setup.json

@@ -0,0 +1,11 @@
+{
+    "env": {
+      "INSTANCE_HOST": "127.0.0.1",
+      "INSTANCE_CONNECTION_NAME": "nodejs-docs-samples-tests:us-central1:postgres-ci",
+      "DB_NAME": "kokoro_ci",
+      "DB_USER": "kokoro_ci"
+    },
+    "secrets": {
+      "DB_PASSWORD": "nodejs-docs-samples-tests/nodejs-docs-samples-sql-password"
+    }
+  }