chore: sync all version fields to 1.1.1

package.json, plugin.json, and marketplace.json were all behind the
latest npm/GitHub release tag v1.1.1.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: flightlesstux

.claude-plugin/marketplace.json

@@ -7,14 +7,14 @@
   },
   "metadata": {
     "description": "Automatic prompt caching for Claude Code. Cuts Anthropic API token costs by up to 90% with zero configuration.",
-    "version": "1.0.0"
+    "version": "1.1.1"
   },
   "plugins": [
     {
       "name": "prompt-caching",
       "source": "./",
       "description": "Automatic prompt caching for Claude Code. Intelligently injects cache_control markers into system prompts, tool definitions, and document context to achieve up to 90% reduction in repeated token costs.",
-      "version": "1.0.0",
+      "version": "1.1.1",
       "author": {
         "name": "Ercan Ermis",
         "email": "eposta@ercanermis.com"

.claude-plugin/plugin.json

@@ -1,6 +1,6 @@
 {
   "name": "prompt-caching",
-  "version": "0.1.0",
+  "version": "1.1.1",
   "description": "Automatic prompt caching for Claude Code. Cuts Anthropic API token costs by up to 90% with zero configuration.",
   "author": "Ercan Ermis",
   "homepage": "https://prompt-caching.ai",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "prompt-caching-mcp",
-  "version": "1.0.0",
+  "version": "1.1.1",
   "description": "Automatic prompt caching for Claude Code. Cuts token costs by up to 90%.",
   "type": "module",
   "main": "dist/index.js",