build: update to yarn v4 (#48995)

* build: update to yarn v4

(cherry picked from commit 6adec744f3)

* chore: fixup types after yarn v4 migration

* chore: update nan yarn.lock file

* build: automatically install git for dugite

script/release/bin/publish-to-npm.ts

@@ -197,6 +197,7 @@ new Promise<string>((resolve, reject) => {
     });
   })
   .then((tarballPath) => {
+    // TODO: Remove NPX
     const existingVersionJSON = childProcess.execSync(`npx npm@7 view ${rootPackageJson.name}@${currentElectronVersion} --json`).toString('utf-8');
     // It's possible this is a re-run and we already have published the package, if not we just publish like normal
     if (!existingVersionJSON) {