Bump Microsoft.CodeAnalysis.CSharp from 4.14.0 to 5.0.0 (#141)

---
updated-dependencies:
- dependency-name: Microsoft.CodeAnalysis.CSharp
  dependency-version: 5.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Robert Andersson <[email protected]>

Author: dependabot[bot]

src/DynamoDBGenerator.SourceGenerator/DynamoDBGenerator.SourceGenerator.csproj

@@ -21,7 +21,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" PrivateAssets="all"/>
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" PrivateAssets="all"/>
     </ItemGroup>
 
     <ItemGroup>