mgr/alerts: enforce ssl context to SMTP_SSL

mgr/alerts: enforce ssl context to SMTP_SSL

Origin: https://github.com/ceph/ceph/commit/5081933c9a0068fe9deba4fca2d943bda3168518
Bug-Debian: https://bugs.debian.org/1126573
Bug-Debian-Security: https://security-tracker.debian.org/tracker/CVE-2024-31884

Fixes: https://github.com/ceph/ceph/security/advisories/GHSA-xj9f-7g59-m4jx
Signed-off-by: Nizamudeen A <nia@redhat.com>
(cherry picked from commit 5f7fc5267e55089eeb1cfc87e9c1215c32439102)

Gbp-Pq: Name mgr-alerts-enforce-ssl-context-to-SMTP_SSL.patch