Fix benchmark dependencies

* Benchmarkdotnet requires a recent version of Microsoft.CodeAnalysis.Workspace, but the analyzer itself must be kept at the lowest possible version

Author: cbersch

.github/workflows/benchmark.yml

@@ -3,6 +3,7 @@ on:
   push:
     branches:
       - main
+  workflow_dispatch:
 
 permissions:
     contents: write
@@ -26,6 +27,7 @@ jobs:
 
       - name: Store benchmark result
         uses: benchmark-action/[email protected]
+        if: ${{ github.event_name == 'push' }}
         with:
           name: AwesomeAssertions.Analyzers Benchmark
           tool: 'benchmarkdotnet'

.gitignore

@@ -261,4 +261,6 @@ __pycache__/
 *.pyc
 /tools
 
-coverage.cobertura.xml
+coverage.cobertura.xml
+
+BenchmarkDotNet.Artifacts/

src/AwesomeAssertions.Analyzers.BenchmarkTests/AwesomeAssertions.Analyzers.BenchmarkTests.csproj

@@ -7,6 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" VersionOverride="4.14.0" />
     <PackageReference Include="BenchmarkDotNet" />
   </ItemGroup>