Added benchmarking

Author: Martin Boje Carpentier

.github/workflows/continous-benchmark.yml

@@ -6,6 +6,7 @@ jobs:
   benchmark:
     name: Performance regression check
     runs-on: ubuntu-latest
+
     defaults:
       run:
         working-directory: ./src
@@ -16,10 +17,10 @@ jobs:
         uses: actions/setup-dotnet@v1
         with:
           dotnet-version: |
-            3.1.x
-            5.0.x
             6.0.x
       # Run benchmark with `go test -bench` and stores the output to a file
+      - name: Show locations
+        run: ls
       - name: Run benchmark
         run:  dotnet run --project .\GeoJSON.Text.Test.Benchmark\GeoJSON.Text.Test.Benchmark.csproj --framework net6 -c Release -- --job short --filter *
       # Download previous benchmark result from cache (if exists)