Fix repository URL for npm provenance verification

- Changed repository URL from tomohiko to tontoko in package.json
- This fixes npm publish provenance error (422)

Author: Tomohiko Hiraki

package.json

@@ -8,7 +8,7 @@
   "type": "module",
   "repository": {
     "type": "git",
-    "url": "https://github.com/tomohiko/fast-playwright-mcp"
+    "url": "https://github.com/tontoko/fast-playwright-mcp"
   },
   "homepage": "https://playwright.dev",
   "engines": {