Update ci deps

Author: xPaw

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v5
@@ -35,7 +35,7 @@ jobs:
       run: dotnet pack --configuration Release ValveKeyValue/ValveKeyValue/ValveKeyValue.csproj
 
     - name: Upload nupkg
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       if: matrix.os == 'ubuntu-latest'
       with:
         name: nupkg
@@ -56,7 +56,7 @@ jobs:
 
     steps:
     - name: Download artifacts
-      uses: actions/download-artifact@v5
+      uses: actions/download-artifact@v6
       with:
         name: nupkg
         path: artifacts