feat: alb client keep alive @oycyc (#189)
## what- Adds the variable and argument for
client_keep_alive. - This was just introduced pretty recently, in May 2024. hashicorp/terraform-provider-aws#36402
- Therefore updated the version as well, this requires a major bump from v4 to v5.46.0.
why
references
https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb#client_keep_alive-1