deps: Bump the build-tools group with 3 updates

Bumps Microsoft.CodeAnalysis.Analyzers from 5.6.0 to 5.9.0
Bumps Microsoft.CodeAnalysis.CSharp from 5.6.0 to 5.9.0
Bumps Microsoft.CodeAnalysis.CSharp.Workspaces from 5.6.0 to 5.9.0

---
updated-dependencies:
- dependency-name: Microsoft.CodeAnalysis.Analyzers
  dependency-version: 5.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: build-tools
- dependency-name: Microsoft.CodeAnalysis.CSharp
  dependency-version: 5.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: build-tools
- dependency-name: Microsoft.CodeAnalysis.CSharp.Workspaces
  dependency-version: 5.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: build-tools
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
-    <RoslynVersion>5.6.0</RoslynVersion>
+    <RoslynVersion>5.9.0</RoslynVersion>
     <RoslynVersionForAnalyzers>4.3.0</RoslynVersionForAnalyzers>
   </PropertyGroup>
   <ItemGroup>