Update Yarn to 4.2.2

Signed-off-by: Sora Morimoto <sora@morimoto.io>

Author: smorimoto

.gitignore

@@ -294,6 +294,9 @@ __pycache__/
 .ionide
 .ignored
 
+# yarn
+.yarn/
+
 # opam local switch
 _opam/
 

.yarnrc.yml

@@ -0,0 +1 @@
+nodeLinker: node-modules

package.json

@@ -48,5 +48,6 @@
     "webpack": "5.91.0",
     "webpack-cli": "5.1.0",
     "webpack-dev-server": "5.0.2"
-  }
+  },
+  "packageManager": "yarn@4.2.2"
 }