fix(ci): Add optimization ifs, and don't build

Author: wlee221

.github/workflows/version-packages.yml

@@ -23,12 +23,14 @@ jobs:
         id: has-changesets
         uses: ./.github/actions/has-changesets
       - name: Setup Node.js LTS
+        if: ${{ steps.has-changesets.outputs.has-changesets == 'true' }}
         uses: actions/setup-node@v2
         with:
           node-version: lts/*
           cache: 'yarn'
       - name: Install and build packages
-        run: yarn --frozen-lockfile && yarn build
+        if: ${{ steps.has-changesets.outputs.has-changesets == 'true' }}
+        run: yarn --frozen-lockfile
       - name: Create or update Version Packages PR
         if: ${{ steps.has-changesets.outputs.has-changesets == 'true' }}
         uses: changesets/action@b98cec97583b917ff1dc6179dd4d230d3e439894