ci: add build step before publish (#2511)

Co-authored-by: Eden Zimbelman <eden.zimbelman@salesforce.com>

Author: srtaalej

.github/workflows/release.yml

@@ -65,6 +65,21 @@ jobs:
       - name: Install dependencies
         run: npm install --verbose
 
+      - name: Build packages
+        run: |
+          # Build base dependencies
+          npm run build --workspace=@slack/logger
+          npm run build --workspace=@slack/types
+
+          # Build packages requiring base dependencies
+          npm run build --workspace=@slack/web-api
+          npm run build --workspace=@slack/webhook
+
+          # Build packages that depend on the Web API
+          npm run build --workspace=@slack/oauth
+          npm run build --workspace=@slack/rtm-api
+          npm run build --workspace=@slack/socket-mode
+
       - name: Publish to npm and create GitHub releases
         uses: changesets/action@c48e67d110a68bc90ccf1098e9646092baacaa87 # v1.6.0
         with: