chore(deps): update dependency nx to v21

Author: renovate[bot]

package.json

@@ -43,7 +43,7 @@
     "@types/jest": "^29.5.12",
     "@types/node": "^20.11.19",
     "jest": "^29.7.0",
-    "nx": "^18.0.4",
+    "nx": "^21.0.0",
     "prettier": "^3.2.5",
     "ts-dedent": "^2.2.0",
     "ts-jest": "^29.1.2",