Update SpecAssay preset to v0.4.12 (#4256)

Update specassay preset submitted by @rdryfoos:
- presets/catalog.community.json (version, download_url, updated_at)

Closes #4253

Assisted-by: GitHub Copilot (model: claude-sonnet-4.6, autonomous)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: github-actions[bot]

presets/catalog.community.json

@@ -1,6 +1,6 @@
 {
   "schema_version": "1.0",
-  "updated_at": "2026-08-20T00:00:00Z",
+  "updated_at": "2026-08-21T00:00:00Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/presets/catalog.community.json",
   "presets": {
     "a11y-governance": {
@@ -809,11 +809,11 @@
     "specassay": {
       "name": "SpecAssay",
       "id": "specassay",
-      "version": "0.3.4",
+      "version": "0.4.12",
       "description": "Appends durable-ID, Carries, and SpecAssay vocabulary onto Spec Kit spec, tasks, and constitution templates.",
       "author": "Rik Dryfoos",
       "repository": "https://github.com/rdryfoos/specassay",
-      "download_url": "https://github.com/rdryfoos/specassay/releases/download/v0.3.4/specassay-preset-0.3.4.zip",
+      "download_url": "https://github.com/rdryfoos/specassay/releases/download/v0.4.12/specassay-preset-0.4.12.zip",
       "homepage": "https://github.com/rdryfoos/specassay",
       "documentation": "https://github.com/rdryfoos/specassay/blob/main/presets/specassay/README.md",
       "license": "MIT",
@@ -831,7 +831,7 @@
         "sdd"
       ],
       "created_at": "2026-08-14T00:00:00Z",
-      "updated_at": "2026-08-14T00:00:00Z"
+      "updated_at": "2026-08-21T00:00:00Z"
     },
     "test-first-governance": {
       "name": "Test-First Governance",