Add codeowner to SMTP integration (#182638)

CODEOWNERS

@@ -1750,6 +1750,8 @@ CLAUDE.md @home-assistant/core
 /tests/components/smhi/ @gjohansson-ST
 /homeassistant/components/smlight/ @tl-sl
 /tests/components/smlight/ @tl-sl
+/homeassistant/components/smtp/ @tr4nt0r
+/tests/components/smtp/ @tr4nt0r
 /homeassistant/components/snapcast/ @luar123
 /tests/components/snapcast/ @luar123
 /homeassistant/components/snmp/ @nmaggioni

homeassistant/components/smtp/manifest.json

@@ -1,7 +1,7 @@
 {
   "domain": "smtp",
   "name": "SMTP",
-  "codeowners": [],
+  "codeowners": ["@tr4nt0r"],
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/smtp",
   "integration_type": "service",