Update dependency kysely-codegen to v0.19.0

Author: renovate[bot]

package-lock.json

@@ -58,7 +58,7 @@
     "eslint": "9.29.0",
     "eslint-config-next": "15.3.3",
     "jest": "29.7.0",
-    "kysely-codegen": "0.18.3",
+    "kysely-codegen": "0.19.0",
     "prettier": "3.5.3",
     "ts-jest": "29.4.0",
     "typescript": "5.8.3",