Refactor Gitea and SSH configurations, update backup scripts, and enhance Nginx settings

- Updated SSH configuration for Gitea to disable banner and TTY, and modified the AuthorizedKeysCommand.
- Simplified gitea-shell script to directly call the k8s_gitea_shell command with required parameters.
- Removed unused gitea-auth script from playbook_gitea.yml.
- Updated systools_version in playbook_systools.yml to 0.4.5.
- Enhanced ssh_locker_helper to copy redirect URL to clipboard based on OS.
- Added a new script test_imaps for IMAP testing.
- Updated Terraform configurations for various applications, including:
  - Added a backup script for MariaDB with retention policy.
  - Changed Gitea version to 1.24-rootless and adjusted SSH settings.
  - Updated Nginx configurations to log errors and access to stderr/stdout.
  - Refactored services to use ClusterIP type and adjusted security contexts for deployments.
  - Added temporary storage for applications using empty_dir.
  - Enhanced backup.sh scripts for better error handling and logging.

terraform/modules/apps/sftpgo/main.tf

@@ -255,6 +255,8 @@ resource "kubernetes_service" "sftpgo_webdav" {
       port        = var.tls_enabled ? 443 : 80
       target_port = "dav"
     }
+
+    type       = "ClusterIP"
     cluster_ip = "None"
   }
 }
@@ -273,6 +275,8 @@ resource "kubernetes_service" "sftpgo_web" {
       port        = var.tls_enabled ? 443 : 80
       target_port = "web"
     }
-    type = "ClusterIP"
+
+    type       = "ClusterIP"
+    cluster_ip = "None"
   }
 }