chore(ci): gate release on CI passing

Make CI workflow callable and add it as a dependency of the release job,
so broken tests or lint block the release.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: jdevera

.github/workflows/ci.yml

@@ -5,6 +5,7 @@ on:
     branches: [main]
   pull_request:
     branches: [main]
+  workflow_call:
 
 jobs:
   test:

.github/workflows/release.yml

@@ -9,7 +9,11 @@ permissions:
   contents: write
 
 jobs:
+  ci:
+    uses: ./.github/workflows/ci.yml
+
   release:
+    needs: ci
     runs-on: ubuntu-latest
     steps:
       - name: Checkout