Bump actions/upload-artifact from 5 to 6 (#40)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build-module-base.yml

@@ -42,7 +42,7 @@ jobs:
         run: dotnet build ModuleBase/ModuleBase.csproj -c Release -o ./publish/ModuleBase
 
       - name: Upload OpenShock Desktop Module Base artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: OpenShock Desktop Module Base
           path: ./publish/ModuleBase/**

.github/workflows/ci-build.yml

@@ -65,7 +65,7 @@ jobs:
         run: dotnet publish Desktop/Desktop.csproj -c Release-Windows -o ./publish/Windows-Maui
 
       - name: Upload OpenShock Desktop Windows artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: OpenShock Desktop Windows MAUI
           path: publish/Windows-Maui/*
@@ -100,7 +100,7 @@ jobs:
           additional-plugin-paths: ${{ github.workspace }}/Installer/Plugins
 
       - name: Upload OpenShock Desktop Windows Setup
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: OpenShock_Desktop_Setup
           path: Installer/OpenShock_Desktop_Setup.exe
@@ -182,7 +182,7 @@ jobs:
         run: dotnet publish Desktop/Desktop.csproj -c Release-Photino -o ./publish/Photino-Linux
 
       - name: Upload OpenShock Desktop Photino Linux artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: OpenShock Desktop Photino Linux
           path: publish/Photino-Linux/*