Update Inventory for heroku/nodejs-engine (#646)

- Added Node.js version 20.6.0.
- Added Node.js version 20.6.1.

Co-authored-by: heroku-linguist[bot] <136119646+heroku-linguist[bot]@users.noreply.github.com>

buildpacks/nodejs-engine/CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- Added Node.js version 20.6.1.
+- Added Node.js version 20.6.0.
 ## [1.1.4] - 2023-08-10
 
 - Added Node.js version 16.20.2.

buildpacks/nodejs-engine/inventory.toml

@@ -5607,6 +5607,20 @@ arch = "linux-x64"
 url = "https://heroku-nodebin.s3.us-east-1.amazonaws.com/node/release/linux-x64/node-v20.5.1-linux-x64.tar.gz"
 etag = "f3de44a4f1ce4a000f2119dbfe66c54e-6"
 
+[[releases]]
+version = "20.6.0"
+channel = "release"
+arch = "linux-x64"
+url = "https://heroku-nodebin.s3.us-east-1.amazonaws.com/node/release/linux-x64/node-v20.6.0-linux-x64.tar.gz"
+etag = "ae54a8c0c43e65a0d6656a8c58b17128-6"
+
+[[releases]]
+version = "20.6.1"
+channel = "release"
+arch = "linux-x64"
+url = "https://heroku-nodebin.s3.us-east-1.amazonaws.com/node/release/linux-x64/node-v20.6.1-linux-x64.tar.gz"
+etag = "31337a8bf7b975a112c982cb59634fb6-6"
+
 [[releases]]
 version = "4.0.0"
 channel = "release"