chore(deps): bump mongodb from 4.6.0 to 4.7.0 in /install

Bumps [mongodb](https://github.com/mongodb/node-mongodb-native) from 4.6.0 to 4.7.0.
- [Release notes](https://github.com/mongodb/node-mongodb-native/releases)
- [Changelog](https://github.com/mongodb/node-mongodb-native/blob/main/HISTORY.md)
- [Commits](https://github.com/mongodb/node-mongodb-native/compare/v4.6.0...v4.7.0)

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

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

install/package.json

@@ -81,7 +81,7 @@
         "material-design-lite": "1.3.0",
         "mime": "3.0.0",
         "mkdirp": "1.0.4",
-        "mongodb": "4.6.0",
+        "mongodb": "4.7.0",
         "morgan": "1.10.0",
         "mousetrap": "1.6.5",
         "multiparty": "4.2.3",