chore(deps): bump acorn from 8.15.0 to 8.18.0

Bumps [acorn](https://github.com/acornjs/acorn) from 8.15.0 to 8.18.0.
- [Commits](acornjs/acorn@8.15.0...8.18.0)

---
updated-dependencies:
- dependency-name: acorn
  dependency-version: 8.18.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -98,7 +98,7 @@
     "@cucumber/messages": "32.3.1",
     "@modelcontextprotocol/sdk": "^1.26.0",
     "@xmldom/xmldom": "0.9.10",
-    "acorn": "8.15.0",
+    "acorn": "8.18.0",
     "ai": "^6.0.43",
     "arrify": "3.0.0",
     "axios": "1.16.1",