Update Dart dependency version and changelog (#9104)

This updates Dart dependency to last public release and cleans up the
changelog in anticipation of the next release.

Make sure the plugin builds and changelog appears as expected in the
plugin page.

---

Review the contribution guidelines below:

- [x] I’ve reviewed the contributor guide and applied the relevant
portions to this PR.
- [x] I've included the required information in the description above.
- [x] My up-to-date information is in the `AUTHORS` file.
- [x] I've updated `CHANGELOG.md` if appropriate.

<details>
  <summary>Contribution guidelines:</summary><br>

- See
  our [contributor guide](../CONTRIBUTING.md) and
the [Flutter organization contributor
guide]([https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md)
  for general expectations for PRs.
- Larger or significant changes should be discussed in an issue before
creating a PR.
- Dart contributions to our repos should follow the [Dart style
guide](https://dart.dev/guides/language/effective-dart) and use
  `dart format`.
- Java and Kotlin contributions should strive to follow Java and Kotlin
best
practices
([discussion](#8098)).

</details>

Author: helin24

CHANGELOG.md

@@ -6,8 +6,19 @@
 
 ### Removed
 
+### Fixed
+
+## 96.0.0
+
+### Added
+
+### Changed
+
+### Removed
+
 ### Fixed
 - Prevent untrusted project Git error during project creation when selecting a Flutter SDK. (#9099)
+- Issue with saving the Flutter SDK path in Settings. (#9074)
 
 ## 95.0.0
 
@@ -22,7 +33,6 @@
 
 ### Fixed
 - IDE freeze when applying Flutter SDK path changes in Settings. (#9058)
-- Fixed issue with saving the Flutter SDK path in Settings. ([#9074](https://github.com/flutter/flutter-intellij/pull/9074))
 
 ## 94.0.0
 

gradle.properties

@@ -7,7 +7,7 @@
 # We try to use the stable Android Studio version here since most Flutter users are on Android Studio and not IntelliJ.
 # Meanwhile, Dart-only users are more likely to be on IntelliJ.
 androidStudioVersion=2026.1.2.8
-dartPluginVersion= 507.0.0
+dartPluginVersion= 508.1.0
 # Also update the versions for verify checks in tool/github.sh.
 sinceBuild=252
 javaVersion=21