chore(deps): update dependency @angular/compiler to v20.2.1 (#17810)

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

package.json

@@ -32,7 +32,7 @@
     "bin"
   ],
   "dependencies": {
-    "@angular/compiler": "20.1.2",
+    "@angular/compiler": "20.2.1",
     "@babel/code-frame": "7.27.1",
     "@babel/parser": "7.28.3",
     "@babel/types": "7.28.2",