chore: bump yarn to berry

.gitattributes

@@ -3,3 +3,6 @@
 *.jpg -text
 *.png -text
 *.bmp -text
+
+/.yarn/releases/** binary
+/.yarn/plugins/** binary

.gitignore

@@ -94,6 +94,62 @@ sw.*
 # typescript
 *.tsbuildinfo
 
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# parcel-bundler cache (https://parceljs.org/)
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress v2.x temp and cache directory
+.temp
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions
+
 # Prerequisites
 *.d
 

package.json

@@ -2,7 +2,7 @@
   "name": "koi-workspace",
   "private": true,
   "version": "0.1.0",
-  "packageManager": "yarn@1.22.19",
+  "packageManager": "yarn@4.2.2",
   "workspaces": [
     "packages/*"
   ],