feat(ci): Add self-release workflow for automated tag-based releases

Add `self-release.yml` workflow that triggers on version tags (v*) and delegates to the reusable `release.yml` workflow for automated GitHub Release creation with changelog generation.

Author: gitctrlx

.github/workflows/self-release.yml

@@ -0,0 +1,7 @@
+name: Self Release
+on:
+  push:
+    tags: ['v*']
+jobs:
+  release:
+    uses: ./.github/workflows/release.yml