chore: update workflow to use 'dev' branch name

Updated GITEA_BRANCH reference from 'dev/namespace-drawer' to 'dev'
to match the renamed long-lived development branch.

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

.gitea/workflows/release.yaml

@@ -168,7 +168,7 @@ jobs:
           git config user.email "gitea-actions[bot]@git.farh.net"
           # Determine which Gitea branch to update based on version suffix
           if [[ "$VERSION" == *"-dev."* ]]; then
-            GITEA_BRANCH="dev/namespace-drawer"
+            GITEA_BRANCH="dev"
           else
             GITEA_BRANCH="main"
           fi