chore: move dev images to a new package, set branch name correctly

.github/workflows/dev-preview.yml

@@ -58,14 +58,18 @@ jobs:
 
       - name: Get Branch Name
         id: getBranchName
-        run: echo "branch_name=$(git branch --contains ${{ steps.getRef.outputs.pr_ref }}  | awk 'NR==1' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')" >> "$GITHUB_OUTPUT"
+        run: echo "branch_name=$(gh pr view $PR_NUMBER --repo ${{ github.repository }} --json headRefName | jq -r '.headRefName')" >> $GITHUB_OUTPUT
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PR_NUMBER: ${{ github.event.issue.number }}
 
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
+
       # Docker build setup
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3