Bump redis from 4.6.8 to 4.6.9

Bumps [redis](https://github.com/redis/node-redis) from 4.6.8 to 4.6.9.
- [Release notes](https://github.com/redis/node-redis/releases)
- [Changelog](https://github.com/redis/node-redis/blob/master/CHANGELOG.md)
- [Commits](https://github.com/redis/node-redis/compare/redis@4.6.8...redis@4.6.9)

---
updated-dependencies:
- dependency-name: redis
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -23,7 +23,7 @@
  "ejs": "^3.1.9",
  "express": "~4.18.2",
  "express-actuator": "^1.8.4",
- "redis": "^4.6.8",
+ "redis": "^4.6.9",
  "winston": "^3.10.0"
  },
  "devDependencies": {