Bump version to v0.1.2

Clean release to resolve v0.1.1 tagging confusion where the git tag
pointed to the pre-version-bump commit, causing the Docker image built
from that tag to display the wrong version in the UI.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: AlpineArchitecture

frontend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "programmarr",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "private": true,
   "type": "module",
   "scripts": {