Update node Docker tag to v20.6.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
node	final	patch	20.6.0-alpine -> 20.6.1-alpine
node	stage	patch	20.6.0-alpine -> 20.6.1-alpine

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Release Notes

nodejs/node (node)

### [`v20.6.1`](https://togithub.com/nodejs/node/releases/tag/v20.6.1): 2023-09-08, Version 20.6.1 (Current), @​ruyadorno and @​RafaelGSS [Compare Source](https://togithub.com/nodejs/node/compare/v20.6.0...v20.6.1) ##### Commit - \[[`8acbe6d8e8`](https://togithub.com/nodejs/node/commit/8acbe6d8e8)] - **esm**: fix loading of CJS modules from ESM (Antoine du Hamel) [#​49500](https://togithub.com/nodejs/node/pull/49500)

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