fix(deps): bump the production-dependencies group across 1 directory with 2 updates

Bumps the production-dependencies group with 2 updates in the /apps/slack/lambda directory: [ajv](https://github.com/ajv-validator/ajv) and [cors](https://github.com/expressjs/cors).


Updates `ajv` from 8.17.1 to 8.18.0
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](ajv-validator/ajv@v8.17.1...v8.18.0)

Updates `cors` from 2.8.5 to 2.8.6
- [Release notes](https://github.com/expressjs/cors/releases)
- [Changelog](https://github.com/expressjs/cors/blob/master/HISTORY.md)
- [Commits](expressjs/cors@v2.8.5...v2.8.6)

---
updated-dependencies:
- dependency-name: ajv
  dependency-version: 8.18.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: production-dependencies
- dependency-name: cors
  dependency-version: 2.8.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: production-dependencies
...

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

Author: dependabot[bot]

apps/slack/lambda/package-lock.json

@@ -54,11 +54,11 @@
     "@slack/web-api": "^6.13.0",
     "@types/cors": "^2.8.19",
     "@types/express": "^4.17.21",
-    "ajv": "^8.17.1",
+    "ajv": "^8.18.0",
     "aws-lambda": "^1.0.7",
     "aws-sdk": "^2.1693.0",
     "contentful-management": "^10.46.4",
-    "cors": "^2.8.5",
+    "cors": "^2.8.6",
     "express": "^4.22.1",
     "serverless-http": "^3.1.0"
   }