fixing-ci-angular-21 (#12)

Co-authored-by: Florian THIERRY <florian.thierry@actian.com>
Reviewed-on: florian/codiki-hexagonal#12

frontend/package.json

@@ -26,7 +26,7 @@
     "@angular/material": "^21.1.2",
     "@angular/platform-browser": "^21.1.2",
     "@angular/platform-browser-dynamic": "^21.1.2",
-    "@angular/router": "^21",
+    "@angular/router": "^21.1.2",
     "rxjs": "~7.8.2",
     "tslib": "^2.8.1"
   },