Added tarball verification step; Simplified CI trigger

Author: hiranya911

.github/workflows/ci.yml

@@ -1,6 +1,6 @@
 name: Continuous Integration
 
-on: [push, pull_request]
+on: push
 
 jobs:
   build:
@@ -22,5 +22,3 @@ jobs:
         npm ci
         npm run build
         npm test
-      env:
-        CI: true

.github/workflows/release.yml

@@ -69,6 +69,11 @@ jobs:
         name: dist
         path: dist
 
+    - name: Verify tarball
+      run: |
+        PACKAGE_TARBALL=`ls *.tgz`
+        ./verifyReleaseTarball.sh $PACKAGE_TARBALL
+
     # Check whether the release should be published. We publish only when the trigger PR is
     #   1. merged
     #   2. to the master branch