Bump nx to ^21.2.3 (#46529)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -183,7 +183,7 @@
     "lodash": "^4.17.21",
     "markdownlint-cli2": "^0.18.1",
     "mocha": "^11.7.1",
-    "nx": "^20.8.2",
+    "nx": "^21.2.3",
     "nyc": "^17.1.0",
     "piscina": "^5.1.3",
     "postcss-styled-syntax": "^0.7.1",