chore: tweak workflow

Author: mnightingale

.github/workflows/main.yml

@@ -1,5 +1,9 @@
 name: CI
-on: [push]
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -24,13 +28,24 @@ jobs:
         env:
           CI: true
 
+      - name: Lint
+        run: yarn lint
+        env:
+          CI: true
+          
+      - name: Test
+        run: yarn test
+        env:
+          CI: true
+          
       - name: Test Coverage
         run: bash <(curl -s https://codecov.io/bash) -f coverage/lcov.info
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
-      - name: CI
-        run: yarn dv-scripts ci
+      - name: Release
+        if: github.ref == 'refs/heads/master'
+        run: yarn release
         env:
           CI: true
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}