chore: exclude .worktrees directory from deno test and check

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Co-Authored-By: Claude <[email protected]>

Author: lambdalisue

deno.jsonc

@@ -1,7 +1,8 @@
 {
   "exclude": [
     "docs/**",
-    ".coverage/**"
+    ".coverage/**",
+    ".worktrees/**"
   ],
   "tasks": {
     "check": "deno check ./**/*.ts",