fix: reset initial plugin version

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

Author: MariusStorhaug

.github/plugin/marketplace.json

@@ -12,7 +12,7 @@
     {
       "name": "psmodule",
       "description": "PSModule process guidance and reusable skills for PowerShell module repositories.",
-      "version": "1.5.0",
+      "version": "1.0.0",
       "source": ".github/plugin/psmodule"
     }
   ]

.github/plugin/psmodule/plugin.json

@@ -2,7 +2,7 @@
   "$schema": "https://agent-plugins.org/schemas/1.0.0/plugin.schema.json",
   "name": "psmodule",
   "description": "PSModule process guidance and reusable skills for PowerShell module repositories.",
-  "version": "1.5.0",
+  "version": "1.0.0",
   "author": {
     "name": "PSModule",
     "url": "https://github.com/PSModule"