fix: browserslist --update-db for yarn v2+ lockfile (#619)

* update-db: added detectLockfileVersion method detects yarn.lock file version * update-db: migrated code to updatePackageManually method - migrated code from default method to read and manually update lock file and package - Added yarn-v2 command to handle package updation * update-db: fixed getLatestInfo for yarn v2 * update-db: updated test for yarn v2 lockfile added checkRunUpdateYarnv2 test and updated checkYarnLockfile test * updated .gitignore to ignore .yarn directory * update-db: do not run yarn v2 tests on node 8, 10
browserslist · Sep 4, 2021 · 8422845 · 8422845
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commit 8422845
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diff --git a/.gitignore b/.gitignore
@@ -1,4 +1,5 @@
 node_modules/
+.yarn/
 npm-debug.log
 yarn-error.log
 

diff --git a/test/fixtures/update-yarn-v2/package.json b/test/fixtures/update-yarn-v2/package.json
@@ -0,0 +1,8 @@
+{
+  "license": "MIT",
+  "devDependencies": {
+    "autoprefixer": "^9.7.4",
+    "postcss-preset-env": "^6.7.0",
+    "qs": "^6.6.0"
+  }
+}