Update version-guard to v1.2.0 (#2321)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: KevinBrown5280

extensions/catalog.community.json

@@ -1,6 +1,6 @@
 {
   "schema_version": "1.0",
-  "updated_at": "2026-04-22T17:54:00Z",
+  "updated_at": "2026-04-22T21:10:00Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/extensions/catalog.community.json",
   "extensions": {
     "aide": {
@@ -2351,8 +2351,8 @@
       "id": "version-guard",
       "description": "Verify tech stack versions against live registries before planning and implementation",
       "author": "KevinBrown5280",
-      "version": "1.1.0",
-      "download_url": "https://github.com/KevinBrown5280/spec-kit-version-guard/archive/refs/tags/v1.1.0.zip",
+      "version": "1.2.0",
+      "download_url": "https://github.com/KevinBrown5280/spec-kit-version-guard/archive/refs/tags/v1.2.0.zip",
       "repository": "https://github.com/KevinBrown5280/spec-kit-version-guard",
       "homepage": "https://github.com/KevinBrown5280/spec-kit-version-guard",
       "documentation": "https://github.com/KevinBrown5280/spec-kit-version-guard/blob/main/README.md",
@@ -2375,7 +2375,7 @@
       "downloads": 0,
       "stars": 0,
       "created_at": "2026-04-20T00:00:00Z",
-      "updated_at": "2026-04-22T17:54:00Z"
+      "updated_at": "2026-04-22T21:10:00Z"
     },
     "whatif": {
       "name": "What-if Analysis",
@@ -2505,4 +2505,4 @@
       "updated_at": "2026-04-13T00:00:00Z"
     }
   }
-}
+}