chore: Upgrade Yarn v3

From my experience, Yarn Berry is much faster than v1 (Classic)
even for small project. It also has nicer status messages and
CLI design, even though some significant changes exist
(e.g. lifecycle scripts).

.gitignore

@@ -9,3 +9,13 @@
 # Node.js / JS / TS / etc...
 node_modules
 *.tgz
+
+# Yarn Berry
+# https://yarnpkg.com/getting-started/qa#which-files-should-be-gitignored
+# `sdks` is excluded because it's an environment specific files.
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/versions

.yarnrc.yml

@@ -0,0 +1,3 @@
+nodeLinker: node-modules
+
+yarnPath: .yarn/releases/yarn-3.5.0.cjs

package.json

@@ -46,7 +46,7 @@
     "build:es5": "tsc --outDir es5 -t ES5",
     "build": "yarn build:esm && yarn build:cjs && yarn build:es5",
     "test": "jest",
-    "prepare": "yarn build"
+    "prepack": "yarn build"
   },
   "husky": {
     "hooks": {
@@ -62,5 +62,6 @@
   "lint-staged": {
     "*.{js,ts,md,json}": "prettier --write"
   },
-  "prettier": {}
+  "prettier": {},
+  "packageManager": "[email protected]"
 }