chore(release): 2.2.0 [skip ci]

# [2.2.0](v2.1.0...v2.2.0) (2026-08-13)

### Features

* **email:** add TLS settings, attachment MIME types, and batch idempotency ([#19](#19)) ([3a6cacf](3a6cacf)), closes [#18](#18)

Author: semantic-release-bot

CHANGELOG.md

@@ -1,3 +1,10 @@
+# [2.2.0](https://github.com/lettermint/lettermint-node/compare/v2.1.0...v2.2.0) (2026-08-13)
+
+
+### Features
+
+* **email:** add TLS settings, attachment MIME types, and batch idempotency ([#19](https://github.com/lettermint/lettermint-node/issues/19)) ([3a6cacf](https://github.com/lettermint/lettermint-node/commit/3a6cacfb7b73e0467565530318725900fbe1fff3)), closes [#18](https://github.com/lettermint/lettermint-node/issues/18)
+
 # [2.1.0](https://github.com/lettermint/lettermint-node/compare/v2.0.0...v2.1.0) (2026-07-07)
 
 

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "lettermint",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Official Lettermint Node.js SDK",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",