chore(deps): update gdUnit 4 to v6.0.0

.github/actions/prepare-testing/action.yml

@@ -100,8 +100,6 @@ runs:
         scons project/addons/gdUnit4
         echo "Applying gdUnit4 patch"
         cd modules/gdUnit4
-        # NOTE: Patching gdUnit4 as it errors out in Godot 4.5.
-        git apply ../gdunit4.patch
 
     - name: Prepare project
       shell: bash

CHANGELOG.md

@@ -42,6 +42,9 @@
 - Bump Native SDK from v0.10.1 to v0.11.2 ([#374](https://github.com/getsentry/sentry-godot/pull/374), [#385](https://github.com/getsentry/sentry-godot/pull/385), [#405](https://github.com/getsentry/sentry-godot/pull/405))
   - [changelog](https://github.com/getsentry/sentry-native/blob/master/CHANGELOG.md#0112)
   - [diff](https://github.com/getsentry/sentry-native/compare/0.10.1...0.11.2)
+- Bump gdUnit 4 from v5.1.0 to v6.0.0 ([#377](https://github.com/getsentry/sentry-godot/pull/377))
+  - [changelog](https://github.com/MikeSchulze/gdUnit4/blob/master/CHANGELOG.md#v600)
+  - [diff](https://github.com/MikeSchulze/gdUnit4/compare/v5.1.0...v6.0.0)
 
 ## 1.0.0-beta.3