Update deployer creds for catalystproject-africa cluster

[sgibson91]

whilst working on #4216, the terraform plan indicated that the continuous deployer credentials would be updated in place, so I am committing any changes to the repo to be safe

Result of applying the below plan

Terraform used the selected providers to generate the following execution plan. Resource actions are indicated with the following symbols:
  ~ update in-place

Terraform will perform the following actions:

  # aws_iam_access_key.continuous_deployer will be updated in-place
  ~ resource "aws_iam_access_key" "continuous_deployer" {
        id                   = "AKIAXG55LPZNHKIRKEFW"
        # (5 unchanged attributes hidden)
    }

Plan: 0 to add, 1 to change, 0 to destroy.

[github-actions]

🎉🎉🎉🎉

Monitor the deployment of the hubs here 👉 https://github.com/2i2c-org/infrastructure/actions/runs/9501479230