Bump SonarAnalyzer.CSharp from 8.53.0.62665 to 9.12.0.78982

Bumps [SonarAnalyzer.CSharp](https://github.com/SonarSource/sonar-dotnet) from 8.53.0.62665 to 9.12.0.78982.
- [Release notes](https://github.com/SonarSource/sonar-dotnet/releases)
- [Commits](SonarSource/sonar-dotnet@8.53.0.62665...9.12.0.78982)

---
updated-dependencies:
- dependency-name: SonarAnalyzer.CSharp
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Directory.Build.props

@@ -1,12 +1,12 @@
-<Project>
+<Project>
 
   <PropertyGroup>
     <CodeAnalysisRuleSet>$(MSBuildThisFileDirectory).sonarlint\lg2de_simpleaccountingcsharp.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
 
   <ItemGroup>
     <!-- license is LGPL -->
-    <PackageReference Include="SonarAnalyzer.CSharp" Version="8.53.0.62665">
+    <PackageReference Include="SonarAnalyzer.CSharp" Version="9.12.0.78982">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>