update settings to avoid package lock churn

.github/workflows/nuget-release.yml

@@ -29,7 +29,7 @@ jobs:
     
     - uses: actions/setup-dotnet@v5
       with:
-        dotnet-version: 10.0.x
+        global-json-file: global.json
     
     # Determine version using C# build target
     - name: Determine Version

.github/workflows/performance-benchmarks.yml

@@ -25,7 +25,7 @@ jobs:
     
     - uses: actions/setup-dotnet@v5
       with:
-        dotnet-version: 10.0.x
+        global-json-file: global.json
     
     - name: Build Performance Project
       run: dotnet build tests/SharpCompress.Performance/SharpCompress.Performance.csproj --configuration Release