[Releases] prevent problems with lots of branches by releasing only o…

…n main (#427)

Closes DG-140

## What changed? Why?
Semantic release needs branches to be between 1 & 3 branches and before
it was configured to be _every_ branch. I think I can get away with just
main here?

.github/workflows/release.yml

@@ -29,10 +29,10 @@ jobs:
           node-version-file: .node-version
           cache: 'pnpm'
       - run: pnpm install
-      - name: Print new version
+      - name: Dry run release onto main
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: pnpm turbo release -- --dry-run --branches="*"
+        run: pnpm turbo release -- --dry-run --branches="main, ${{ github.ref_name }}"
 
   release:
     timeout-minutes: 5