Update Superpowers Implementation Bridge to v0.7.0

Update speckit-superpowers-bridge extension submitted by @lihan3238:
- extensions/catalog.community.json (version 0.5.0 → 0.7.0, download_url → stable-alias)

Closes #2731

Author: mnriem

extensions/catalog.community.json

@@ -1,6 +1,6 @@
 {
   "schema_version": "1.0",
-  "updated_at": "2026-05-27T00:00:00Z",
+  "updated_at": "2026-05-28T00:00:00Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/extensions/catalog.community.json",
   "extensions": {
     "aide": {
@@ -2650,8 +2650,8 @@
       "id": "speckit-superpowers-bridge",
       "description": "Thin orchestrator between Spec Kit (design) and Superpowers (implementation). Cross-agent.",
       "author": "lihan3238",
-      "version": "0.5.0",
-      "download_url": "https://github.com/lihan3238/speckit-superpowers-bridge/releases/download/v0.5.0/speckit-superpowers-bridge-v0.5.0.zip",
+      "version": "0.7.0",
+      "download_url": "https://github.com/lihan3238/speckit-superpowers-bridge/releases/latest/download/speckit-superpowers-bridge.zip",
       "repository": "https://github.com/lihan3238/speckit-superpowers-bridge",
       "homepage": "https://github.com/lihan3238/speckit-superpowers-bridge",
       "documentation": "https://github.com/lihan3238/speckit-superpowers-bridge#readme",
@@ -2692,7 +2692,7 @@
       "downloads": 0,
       "stars": 0,
       "created_at": "2026-05-15T00:00:00Z",
-      "updated_at": "2026-05-20T00:00:00Z"
+      "updated_at": "2026-05-28T00:00:00Z"
     },
     "speckit-utils": {
       "name": "SDD Utilities",