chore: Bump version to 2.1.1

Fix for SessionEnd hook (added matcher) requires version increment.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.claude-plugin/marketplace.json

@@ -11,7 +11,7 @@
       "name": "learn",
       "source": "./plugins/learn",
       "description": "Domain-based memory with selective saving, signal detection, and memory hygiene",
-      "version": "2.1.0",
+      "version": "2.1.1",
       "keywords": ["learn", "memory", "patterns", "gotchas", "domains", "cleanup", "hygiene"]
     }
   ]

plugins/learn/.claude-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "learn",
   "description": "Claude Learn: Session analysis for patterns and gotchas with domain-based memory, selective saving, and memory hygiene",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "author": {
     "name": "Romfast Team"
   }