chore: fix broken link in README.md (#27877)

The link for nodejs.org is broken.

From: https://nodejs.org/en/about/releases
![image](https://github.com/aws/aws-cdk/assets/20182640/e450ef7d-cf2a-43fa-9708-fe94a6d631ab)

To: https://nodejs.org/en/about/previous-releases
![image](https://github.com/aws/aws-cdk/assets/20182640/3f8a47ef-6fe1-4586-bdde-f9a0fe2a28ad)

Please let me know if the [download](https://nodejs.org/en/download) page is a better fit for this...

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

README.md

@@ -22,7 +22,7 @@ infrastructure definition and share it without worrying about boilerplate logic.
 The CDK is available in the following languages:
 
 * JavaScript, TypeScript ([Node.js ≥ 14.15.0](https://nodejs.org/download/release/latest-v14.x/))
-  * We recommend using a version in [Active LTS](https://nodejs.org/en/about/releases/)
+  * We recommend using a version in [Active LTS](https://nodejs.org/en/about/previous-releases)
 * Python ([Python ≥ 3.6](https://www.python.org/downloads/))
 * Java ([Java ≥ 8](https://www.oracle.com/technetwork/java/javase/downloads/index.html) and [Maven ≥ 3.5.4](https://maven.apache.org/download.cgi))
 * .NET ([.NET ≥ 6.0](https://dotnet.microsoft.com/download))