Bump Microsoft.CodeAnalysis.Analyzers and Microsoft.CodeAnalysis.CSharp

Bumps Microsoft.CodeAnalysis.Analyzers from 4.14.0 to 5.3.0
Bumps Microsoft.CodeAnalysis.CSharp from 4.14.0 to 5.3.0

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

docs/csharp/roslyn-sdk/snippets/source-generators/SourceGenerator/SourceGenerator.csproj

@@ -5,8 +5,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="4.14.0">
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.3.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="5.3.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>