Use only yarn in release job

Author: olafurpg

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v2
       - name: Get the tag version
         run: echo "NEW_VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_ENV
-      - run: npm version --allow-same-version --new-version ${{ env.NEW_VERSION }}
+      - run: yarn version --no-git-tag-version --new-version ${{ env.NEW_VERSION }}
       - name: Generate changelog
         run: npx github-changes --only-pulls -b main -o sourcegraph -r lsif-typescript -t "LSIF Node" -k ${{ secrets.GITHUB_TOKEN }}
       - name: Commit changes
@@ -31,8 +31,9 @@ jobs:
           git commit --allow-empty -m "v${{ env.NEW_VERSION }}"
       - name: Push changes
         run: git push origin HEAD:main
-      - run: yarn
+      - run: yarn install
       - run: yarn run build
+      - run: du -h dist/src/main.js
       - run: yarn publish --access public
         env:
           NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}