chore(release): bump the marketplace version to 0.5.0

0959291 bumped all six plugin versions for the ADR-0020 retrofit but left the
marketplace itself at 0.4.5, so consumers resolving against the marketplace
entry would see no change despite every packaged plugin having moved.

.claude-plugin/marketplace.json

@@ -1,7 +1,7 @@
 {
   "name": "holocron",
   "description": "AI development skills for Claude Code and GitHub Copilot CLI — factory, design, implement, review, and cross-cutting workflows.",
-  "version": "0.4.5",
+  "version": "0.5.0",
   "owner": {
     "name": "Defame1297",
     "email": "defame1297@rkdr.net",

.github/plugin/marketplace.json

@@ -1,7 +1,7 @@
 {
   "name": "holocron",
   "description": "AI development skills for Claude Code and GitHub Copilot CLI — factory, design, implement, review, and cross-cutting workflows.",
-  "version": "0.4.5",
+  "version": "0.5.0",
   "owner": {
     "name": "Defame1297",
     "email": "defame1297@rkdr.net",

apm.yml

@@ -1,5 +1,5 @@
 name: holocron
-version: 0.4.5
+version: 0.5.0
 description: AI development skills for Claude Code and GitHub Copilot CLI — factory, design, implement, review, and cross-cutting workflows.
 license: MIT
 
@@ -52,7 +52,7 @@ marketplace:
   # top-level apm.yml description:/version: above are NOT inherited into the
   # compiled output despite being used elsewhere (e.g. by `apm audit`).
   description: AI development skills for Claude Code and GitHub Copilot CLI — factory, design, implement, review, and cross-cutting workflows.
-  version: 0.4.5
+  version: 0.5.0
   owner:
     name: Defame1297
     email: defame1297@rkdr.net