migrate towards yarn v4 (#919)

.github/workflows/CI.yml

@@ -18,15 +18,15 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
-
+      - name: 'Enable corepack'
+        run: corepack enable
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
+          cache: 'yarn'
 
-      - uses: bahmutov/npm-install@v1
-        with:
-          useRollingCache: true
-          install-command: yarn --frozen-lockfile
+      - name: Install dependencies
+        run: yarn install --immutable
 
       - name: "Lint"
         run: yarn lint -f @react-hookz/gha .
@@ -56,15 +56,12 @@ jobs:
         uses: actions/checkout@v4
         with:
           ref: "master"
-
+      - name: 'Enable corepack'
+        run: corepack enable
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
-
-      - uses: bahmutov/npm-install@v1
-        with:
-          useRollingCache: true
-          install-command: yarn --frozen-lockfile
+          node-version: 22
+          cache: 'yarn'
 
       - name: "Release"
         id: "release"

.gitignore

@@ -1,2 +1,13 @@
-/.idea
-node_modules
+.idea
+
+yarn-error.log
+.yarn/*
+!.yarn/cache
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions
+
+/coverage
+/node_modules

.yarnrc.yml

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

package.json

@@ -54,8 +54,7 @@
 		"husky": "^9.1.7",
 		"lint-staged": "^15.2.10",
 		"prettier": "^3.3.3",
-		"semantic-release": "^24.2.0",
-		"yarn": "^1.22.22"
+		"semantic-release": "^24.2.0"
 	},
 	"scripts": {
 		"prepare": "husky install",
@@ -81,5 +80,6 @@
 			"@semantic-release/git",
 			"@semantic-release/github"
 		]
-	}
+	},
+	"packageManager": "yarn@4.5.3"
 }