docs: add node_modules separation to CHANGELOG

Author: simschla

CHANGES.md

@@ -13,6 +13,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 ### Changed
 * Use palantir-java-format 2.57.0 on Java 21. ([#2447](https://github.com/diffplug/spotless/pull/2447))
 * Re-try `npm install` with `--prefer-online` after `ERESOLVE` error. ([#2448](https://github.com/diffplug/spotless/pull/2448))
+* **BREAKING** Assert that each npm-based step uses its own `node_modules` directory, even when configured exactly the same, to prevent race conditions when running in parallel. For this, the API of npm-based formatter steps has been changed. ([#TODO](https://github.com/diffplug/spotless/pull/TODO))
 
 ## [3.1.0] - 2025-02-20
 ### Added

plugin-gradle/CHANGES.md

@@ -7,6 +7,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 * Use palantir-java-format 2.57.0 on Java 21. ([#2447](https://github.com/diffplug/spotless/pull/2447))
 * Re-try `npm install` with `--prefer-online` after `ERESOLVE` error. ([#2448](https://github.com/diffplug/spotless/pull/2448))
 * Apply Gradle's strict plugin types validation to the Spotless plugin. ([#2454](https://github.com/diffplug/spotless/pull/2454))
+* Assert that each npm-based step uses its own `node_modules` directory, even when configured exactly the same to prevent race conditions when running in parallel. ([#TODO](https://github.com/diffplug/spotless/pull/TODO))
 
 ## [7.0.2] - 2025-01-14
 ### Fixed

plugin-maven/CHANGES.md

@@ -6,6 +6,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 ### Changed
 * Use palantir-java-format 2.57.0 on Java 21. ([#2447](https://github.com/diffplug/spotless/pull/2447))
 * Re-try `npm install` with `--prefer-online` after `ERESOLVE` error. ([#2448](https://github.com/diffplug/spotless/pull/2448))
+* Assert that each npm-based step uses its own `node_modules` directory, even when configured exactly the same to prevent race conditions when running in parallel. ([#TODO](https://github.com/diffplug/spotless/pull/TODO))
 
 ## [2.44.3] - 2025-02-20
 * Support for `clang-format` ([#2406](https://github.com/diffplug/spotless/pull/2406))