chore(deps): pin dependencies

Author: renovate[bot]

apps/demos/package.json

@@ -89,7 +89,7 @@
         "zone.js": "0.15.1"
     },
     "devDependencies": {
-        "@angular/platform-server": "~21.1.0",
+        "@angular/platform-server": "21.1.6",
         "@babel/core": "7.28.6",
         "@babel/eslint-parser": "catalog:",
         "@babel/preset-env": "7.28.6",

packages/devextreme/package.json

@@ -84,9 +84,9 @@
     "@jest/globals": "29.7.0",
     "@stylistic/eslint-plugin": "catalog:",
     "@testcafe-community/axe": "3.5.0",
-    "@testing-library/dom": "^10.4.0",
-    "@testing-library/jest-dom": "^6.6.3",
-    "@testing-library/user-event": "^14.5.2",
+    "@testing-library/dom": "10.4.0",
+    "@testing-library/jest-dom": "6.6.3",
+    "@testing-library/user-event": "14.5.2",
     "@types/enzyme": "3.10.19",
     "@types/jquery": "catalog:",
     "@types/react": "16.14.69",