Add GitHub token and configure user for version update commits in benchmark runner

Author: TyKonKet

.github/workflows/dotnet_benchmark_runner.yml

@@ -32,6 +32,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
@@ -75,6 +77,8 @@ jobs:
           dotnet dotnet-version-updater.cs
           
           # Commit and push the updated JSON
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
           git add dotnet-versions.json
           git commit -m "Update .NET version for benchmark run on $(date -I)"
           git push origin gh-pages