Update storybook CI deploy to go from new main branch

Author: pimterry

.github/workflows/ci.yml

@@ -21,15 +21,15 @@ jobs:
       - run: npm run build-storybook --quiet
 
       - uses: actions/upload-artifact@v4
-        # Only publish examples using the master branch, and only from one build
-        if: github.ref == 'refs/heads/master' && matrix.node-version == '16.x'
+        # Only publish examples using the main branch, and only from one build
+        if: github.ref == 'refs/heads/main' && matrix.node-version == '16.x'
         with:
           name: examples
           path: examples/*
           if-no-files-found: error
 
   publish:
-    if: github.ref == 'refs/heads/master'
+    if: github.ref == 'refs/heads/main'
     name: Deploy storybook examples
     runs-on: ubuntu-latest
     needs: build