chore(deps): update dependency smtp-server to v3.13.0 (#11913)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

install/package.json

@@ -167,7 +167,7 @@
         "mocha-lcov-reporter": "1.3.0",
         "mockdate": "3.0.5",
         "nyc": "15.1.0",
-        "smtp-server": "3.12.0"
+        "smtp-server": "3.13.0"
     },
     "optionalDependencies": {
         "sass-embedded": "1.64.2"