v2.0.0

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