Upgrade Yarn off of classic (closes #678)

Author: keeganwitt

.gitignore

@@ -8,3 +8,5 @@ coverage
 .vs
 .vscode
 package-lock.json
+/.yarn/install-state.gz
+**/.pnp.*

.yarn/releases/yarn-4.2.2.cjs

@@ -0,0 +1,5 @@
+enableGlobalCache: true
+
+nodeLinker: node-modules
+
+yarnPath: .yarn/releases/yarn-4.2.2.cjs

.yarnrc.yml

@@ -53,6 +53,7 @@
     "eslint-plugin-prettier": "^4.0.0",
     "husky": "^8.0.0",
     "jest": "^29.0.0",
+    "jest-matcher-utils": "^29.7.0",
     "jest-serializer-ansi-escapes": "^2.0.1",
     "jest-watch-typeahead": "^2.0.0",
     "lint-staged": "~13.2.0",
@@ -133,5 +134,6 @@
     "jest": {
       "optional": true
     }
-  }
+  },
+  "packageManager": "[email protected]"
 }