Install release packages before building (#45660)

* install before running script

* freeze dat lockfile

.github/workflows/release-milestone-check.yml

@@ -21,7 +21,7 @@ jobs:
         with:
           sparse-checkout: release
       - name: Prepare build scripts
-        run: yarn --cwd ${{ github.workspace }}/release build
+        run: yarn --cwd release --frozen-lockfile && yarn --cwd release build
       - uses: actions/github-script@v7
         env:
           SLACK_RELEASE_CHANNEL: ${{ vars.SLACK_RELEASE_CHANNEL }}