Bump Microsoft.CodeAnalysis.CSharp from 4.14.0 to 5.3.0

---
updated-dependencies:
- dependency-name: Microsoft.CodeAnalysis.CSharp
  dependency-version: 5.3.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

VisualSploit.Tests/VisualSploit.Tests.csproj

@@ -8,7 +8,7 @@
     <UseMicrosoftTestingPlatformRunner>true</UseMicrosoftTestingPlatformRunner>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.3.0" />
     <PackageReference Include="xunit.v3" Version="3.2.2" />
     <ProjectReference Include="..\VisualSploit\VisualSploit.csproj" />
   </ItemGroup>