Bump lambda::terraform-aws-lambda in the terraform group

Bumps the terraform group with 1 update: [lambda::terraform-aws-lambda](https://github.com/terraform-aws-modules/terraform-aws-lambda).


Updates `lambda::terraform-aws-lambda` from 8.2.0 to 8.4.0
- [Release notes](https://github.com/terraform-aws-modules/terraform-aws-lambda/releases)
- [Changelog](https://github.com/terraform-aws-modules/terraform-aws-lambda/blob/master/CHANGELOG.md)
- [Commits](terraform-aws-modules/terraform-aws-lambda@v8.2.0...v8.4.0)

---
updated-dependencies:
- dependency-name: lambda::github::terraform-aws-modules/terraform-aws-lambda::v8.2.0
  dependency-version: 8.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: terraform
...

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

Author: dependabot[bot]

main.tf

@@ -36,7 +36,7 @@ data "aws_iam_policy_document" "lambda" {
 }
 
 module "lambda" {
-  source = "git::https://github.com/terraform-aws-modules/terraform-aws-lambda.git?ref=v8.2.0"
+  source = "git::https://github.com/terraform-aws-modules/terraform-aws-lambda.git?ref=v8.4.0"
 
   description   = "Lambda function for Key Enforcement"
   function_name = var.project_name