fix(lambda): bump flatted from 3.3.1 to 3.4.2 in /lambdas

Bumps [flatted](https://github.com/WebReflection/flatted) from 3.3.1 to 3.4.2.
- [Commits](WebReflection/flatted@v3.3.1...v3.4.2)

---
updated-dependencies:
- dependency-name: flatted
  dependency-version: 3.4.2
  dependency-type: indirect
...

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

Author: dependabot[bot]

lambdas/yarn.lock

@@ -7853,9 +7853,9 @@ __metadata:
   linkType: hard
 
 "flatted@npm:^3.2.9":
-  version: 3.3.1
-  resolution: "flatted@npm:3.3.1"
-  checksum: 10c0/324166b125ee07d4ca9bcf3a5f98d915d5db4f39d711fba640a3178b959919aae1f7cfd8aabcfef5826ed8aa8a2aa14cc85b2d7d18ff638ddf4ae3df39573eaf
+  version: 3.4.2
+  resolution: "flatted@npm:3.4.2"
+  checksum: 10c0/a65b67aae7172d6cdf63691be7de6c5cd5adbdfdfe2e9da1a09b617c9512ed794037741ee53d93114276bff3f93cd3b0d97d54f9b316e1e4885dde6e9ffdf7ed
   languageName: node
   linkType: hard