fix: checkout proper branch for canary release

Author: okwasniewski

.github/workflows/release-canary.yml

@@ -15,8 +15,11 @@ jobs:
     name: Release
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout Repo
+      - name: Checkout Branch
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+          ref: refs/pull/${{ github.event.issue.number }}/head
 
       - name: Setup Node.js 20
         uses: actions/setup-node@v4