chore: publish v0.4.2 — fix workspace deps, remove publish.sh

- workspace:* → workspace:^ (resolves to ^x.y.z instead of exact)
- Remove publish.sh, use changesets workflow
- changeset config: access public (Gitea compat)
- release script: build + test + changeset publish

packages/workflow-register/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@uncaged/workflow-register",
-  "version": "0.4.1",
+  "version": "0.4.2",
   "files": [
     "dist",
     "package.json"
@@ -14,8 +14,8 @@
     }
   },
   "dependencies": {
-    "@uncaged/workflow-protocol": "workspace:*",
-    "@uncaged/workflow-util": "workspace:*"
+    "@uncaged/workflow-protocol": "workspace:^",
+    "@uncaged/workflow-util": "workspace:^"
   },
   "peerDependencies": {
     "acorn": "^8.0.0",