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/mail/config.tf

@@ -31,7 +31,7 @@ locals {
     MY_DESTINATION       = join(",", [for account in var.email_accounts : account.domain])
     MY_NETWORKS          = "127.0.0.0/8"
     MAILNAME             = "smtp.${var.primary_domain}"
-    DOVECOT_LMTP_ADDRESS = "dovecot-lmtp.mail.svc.cluster.local"
+    DOVECOT_LMTP_ADDRESS = "lmtp.mail.svc.cluster.local"
     DOVECOT_LMTP_PORT    = 31024
     LOG_TO_STDOUT        = 0
   }
@@ -64,7 +64,7 @@ locals {
       password             = job.password
       mailbox              = job.mailbox
       delete_after         = job.delete_after
-      dovecot_lmtp_address = "dovecot-lmtp.mail.svc.cluster.local"
+      dovecot_lmtp_address = "lmtp.mail.svc.cluster.local"
       dovecot_lmtp_port    = 31024
     })
   }