bump canvas-apps plugin version to 2.2.1 (#330)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

Author: Copilot

plugins/canvas-apps/.claude-plugin/plugin.json

@@ -1,6 +1,6 @@
 {
   "name": "canvas-apps",
-  "version": "2.1.1",
+  "version": "2.2.1",
   "description": "Build Power Apps Canvas Apps using the Canvas Authoring MCP server.",
   "author": {
     "name": "Microsoft",

plugins/canvas-apps/.plugin/plugin.json

@@ -1,6 +1,6 @@
 {
   "name": "canvas-apps",
-  "version": "2.1.1",
+  "version": "2.2.1",
   "description": "Build Power Apps Canvas Apps using the Canvas Authoring MCP server.",
   "author": {
     "name": "Microsoft",