chore: replace yarn with pnpm

Author: sriramveeraghanta

package.json

@@ -40,9 +40,11 @@
     "prettier": "^3.6.2",
     "typescript": "~5.6.2"
   },
-  "resolutions": {
-    "webpack-dev-server": "5.2.1",
-    "js-yaml": "3.14.2"
+  "pnpm": {
+    "overrides": {
+      "webpack-dev-server": "5.2.1",
+      "js-yaml": "3.14.2"
+    }
   },
   "browserslist": {
     "production": [
@@ -57,7 +59,7 @@
     ]
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=22.0.0"
   },
-  "packageManager": "[email protected]"
+  "packageManager": "[email protected]+sha512.5e82639027af37cf832061bcc6d639c219634488e0f2baebe785028a793de7b525ffcd3f7ff574f5e9860654e098fe852ba8ac5dd5cefe1767d23a020a92f501"
 }