fix: use SMTP_TLS instead of SMTP_SSL for asciinema

Port 465 requires implicit TLS, not SSL. Changed SMTP_SSL to SMTP_TLS
with value 'always' and added SMTP_AUTH: always.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

asciinema/compose.yaml

@@ -18,7 +18,8 @@ services:
       SMTP_PORT: ${EMAIL_SMTP_PORT}
       SMTP_USERNAME: ${EMAIL_SMTP_USER}
       SMTP_PASSWORD: ${EMAIL_SMTP_PASSWORD}
-      SMTP_SSL: true
+      SMTP_TLS: always
+      SMTP_AUTH: always
       MAIL_FROM_ADDRESS: ${EMAIL_FROM}
       MAIL_REPLY_TO_ADDRESS: ${ASCIINEMA_MAIL_REPLY_TO}
       SIGN_UP_DISABLED: ${ASCIINEMA_SIGN_UP_DISABLED:-false}