case 4724 - SMTP certificate checked, password never returned

Mailer checks the SMTP server's certificate (trust and name; no revocation
check). New config setting AYANOVA_SMTP_ACCEPT_ANY_CERTIFICATE accepts any
certificate (boot warning, shown in server info, manual page).
The notification settings GET returns ******** instead of the SMTP
password; a PUT with ******** or empty keeps the stored password.
F30 and F31 fixed. Changelog and manual updated.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/8.0/ayanova/mkdocs.yml

@@ -197,6 +197,7 @@ nav:
           - "Reporting render browser path": "ops-config-report-render-browser-path.md"
           - "Reporting timeout configuration": "ops-config-report-rendering-timeout.md"
           - "Environment variable reference": "ops-config-environment-variables.md"
+          - "SMTP certificate check": "ops-config-smtp-accept-any-certificate.md"
           - "Security and JWT web tokens": "ops-config-jwt-secret.md"
           - "SuperUser password reset": "ops-config-set-superuser-pw.md"
           - "Server error codes": "ops-error-codes.md"