ci(deps): bump actions/upload-artifact from 4.3.0 to 4.3.1

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4.3.0 to 4.3.1.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v4.3.0...v4.3.1)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build.yml

@@ -37,7 +37,7 @@ jobs:
       run: dotnet build --no-restore
 
     - name: Upload artifact
-      uses: actions/upload-artifact@v4.3.0
+      uses: actions/upload-artifact@v4.3.1
       with:
         name: intro-skipper-${{ github.sha }}.dll
         path: ConfusedPolarBear.Plugin.IntroSkipper/bin/Debug/net6.0/ConfusedPolarBear.Plugin.IntroSkipper.dll