Use Yarn 2 (#11962)

* chore: use yarn 2

* chore: remove redundant yarn locks

* chore: remove publishEslintPkg

* chore: remove redundant make bootstrap

* Update .yarnrc.yml

Co-authored-by: Kristoffer K. <merceyz@users.noreply.github.com>

* chore: use workspace protocol for eslint packages in the root

Co-Authored-By: merceyz <merceyz@users.noreply.github.com>

* chore: pin caniuse-lite versions

Testcases in packages/babel-preset-env/test/fixtures/debug/browserslists-defaults-not-ie
depends on specific caniuse-lite versions. We pinned the version here
so we don't have to deal with fixture different in e2e-tests
where all deps will be updated and tested.

* chore: resolve yarn install warnings

* chore: update yarn cache path on circle/travis

* chore: add yarn deduplicate plugin

* chore: deduplicate lock files

* chore: move devDependencies to leaf packages

* chore: remove @yarnpkg/plugin-constraints

* chore: remove unused dedupe options

* test: fix unwanted self reference

* chore: remove output-file-sync dependency

* chore: update browserify to 16.5.2

Co-authored-by: Kristoffer K. <merceyz@users.noreply.github.com>

packages/babel-helper-explode-assignable-expression/package.json

@@ -13,9 +13,9 @@
   },
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "^7.10.4"
+    "@babel/types": "workspace:^7.10.4"
   },
   "devDependencies": {
-    "@babel/traverse": "^7.10.4"
+    "@babel/traverse": "workspace:^7.10.4"
   }
 }