Bump wechaty from 0.61.20 to 0.68.1 (#30)

Bumps [wechaty](https://github.com/wechaty/wechaty) from 0.61.20 to 0.68.1.
- [Release notes](https://github.com/wechaty/wechaty/releases)
- [Changelog](https://github.com/wechaty/wechaty/blob/main/CHANGELOG.md)
- [Commits](https://github.com/wechaty/wechaty/commits)

---
updated-dependencies:
- dependency-name: wechaty
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Huan (李卓桓) <[email protected]>

package.json

@@ -61,7 +61,7 @@
     "tstest": "^0.4.10",
     "typescript": "4.4",
     "utility-types": "^3.10.0",
-    "wechaty": "^0.61.2",
+    "wechaty": "^0.68.1",
     "wechaty-puppet-mock": "^0.31.3"
   },
   "git": {