revert app eventpub]

Author: alexnuttall

infrastructure/terraform/components/app/README.md

@@ -51,7 +51,7 @@
 | <a name="module_amplify_branch"></a> [amplify\_branch](#module\_amplify\_branch) | https://github.com/NHSDigital/nhs-notify-shared-modules/releases/download/v2.0.20/terraform-amp_branch.zip | n/a |
 | <a name="module_backend_api"></a> [backend\_api](#module\_backend\_api) | ../../modules/backend-api | n/a |
 | <a name="module_download_authorizer_lambda"></a> [download\_authorizer\_lambda](#module\_download\_authorizer\_lambda) | https://github.com/NHSDigital/nhs-notify-shared-modules/releases/download/v2.0.20/terraform-lambda.zip | n/a |
-| <a name="module_eventpub"></a> [eventpub](#module\_eventpub) | https://github.com/NHSDigital/nhs-notify-shared-modules/releases/download/v2.0.20/terraform-eventpub.zip | n/a |
+| <a name="module_eventpub"></a> [eventpub](#module\_eventpub) | git::https://github.com/NHSDigital/nhs-notify-shared-modules.git//infrastructure/modules/eventpub | v2.0.16 |
 | <a name="module_kms"></a> [kms](#module\_kms) | https://github.com/NHSDigital/nhs-notify-shared-modules/releases/download/v2.0.20/terraform-kms.zip | n/a |
 | <a name="module_kms_us_east_1"></a> [kms\_us\_east\_1](#module\_kms\_us\_east\_1) | https://github.com/NHSDigital/nhs-notify-shared-modules/releases/download/v2.0.20/terraform-kms.zip | n/a |
 | <a name="module_nhse_backup_vault"></a> [nhse\_backup\_vault](#module\_nhse\_backup\_vault) | https://github.com/NHSDigital/nhs-notify-shared-modules/releases/download/v2.0.20/terraform-aws-backup-source.zip | n/a |

infrastructure/terraform/components/app/module_eventpub.tf

@@ -1,5 +1,5 @@
 module "eventpub" {
-  source = "https://github.com/NHSDigital/nhs-notify-shared-modules/releases/download/v2.0.20/terraform-eventpub.zip"
+  source = "git::https://github.com/NHSDigital/nhs-notify-shared-modules.git//infrastructure/modules/eventpub?ref=v2.0.16"
 
   name = "eventpub"