chore(bmad-module): regenerate vendored platform-codes after main sync

Merge of main brought the hermes-agent IDE target (#2489) into
tools/installer/ide/platform-codes.yaml. Regenerate the vendored sidecar so
vendor:check matches the engine in the PR's merge-with-main tree.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/core-skills/bmad-module/scripts/lib/vendor/platform-codes.yaml

@@ -162,6 +162,13 @@ platforms:
       target_dir: .agents/skills
       global_target_dir: ~/.config/agents/skills
 
+  hermes:
+    name: "Hermes Agent"
+    preferred: false
+    installer:
+      target_dir: .agents/skills
+      global_target_dir: ~/.hermes/skills
+
   iflow:
     name: "iFlow"
     preferred: false