docs: Update to version 1.20.0

Author: leoncheng57

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [1.20.0] - 2025-10-08
 ### Added
 * Official support for Node.js versions 20, 22 and 24
 ### Fixed
@@ -325,7 +327,8 @@ client library took over this package name. Thanks to
 ownership.
 
 <!-- (Unreleased should never be deleted) -->
-[Unreleased]: https://github.com/DeepLcom/deepl-node/compare/v1.19.1...HEAD
+[Unreleased]: https://github.com/DeepLcom/deepl-node/compare/v1.20.0...HEAD
+[1.20.0]: https://github.com/DeepLcom/deepl-node/compare/v1.19.1...v1.20.0
 [1.19.1]: https://github.com/DeepLcom/deepl-node/compare/v1.19.0...v1.19.1
 [1.19.0]: https://github.com/DeepLcom/deepl-node/compare/v1.18.0...v1.19.0
 [1.18.0]: https://github.com/DeepLcom/deepl-node/compare/v1.17.3...v1.18.0

package-lock.json

@@ -1,7 +1,7 @@
 {
     "name": "deepl-node",
     "description": "deepl-node is the official DeepL Node.js client library",
-    "version": "1.19.1",
+    "version": "1.20.0",
     "author": "DeepL SE <open-source@deepl.com> (https://www.deepl.com)",
     "license": "MIT",
     "repository": {

package.json

@@ -697,7 +697,7 @@ export class Translator {
         sendPlatformInfo: boolean,
         appInfo: AppInfo | undefined,
     ): string {
-        let libraryInfoString = 'deepl-node/1.19.1';
+        let libraryInfoString = 'deepl-node/1.20.0';
         if (sendPlatformInfo) {
             const systemType = os.type();
             const systemVersion = os.version();