renovate.json5

{
    '$schema': 'https://docs.renovatebot.com/renovate-schema.json',
    'extends': ['github>Lombiq/renovate-config:default-dotnet.json5'],
    'customManagers': [
        {
            // AnalyzerPackages.props contains NuGet package references in a custom format. Supporting it here.
            'customType': 'regex',
            'fileMatch': ['(^|/)AnalyzerPackages\\.props$'],
            'matchStrings': [
                // The capture group names are required as such.
                '<AnalyzerPackage Include="(?<depName>[^"]+)" Version="(?<currentValue>[^"]+)"/>'
            ],
            'datasourceTemplate': 'nuget', // #spell-check-ignore-line
            'versioningTemplate': 'nuget'
        },
    ],
    packageRules: [
        {
            // Microsoft.CodeAnalysis.CSharp.CodeStyle references Roslyn, and if its version is higher than that of the
            // locally installed SDK, it'll emit a "CSC : error CS9057: The analyzer assembly
            // '/home/runner/.nuget/packages/microsoft.codeanalysis.csharp.codestyle/4.11.0/analyzers/dotnet/cs/Microsoft.CodeAnalysis.CSharp.CodeStyle.dll'
            // references version '4.31.0.0' of the compiler, which is newer than the currently running version
            // '4.10.0.0'." error. So, we need to update it manually together with the SDK (and targeted .NET version).
            matchPackageNames: [
                'Microsoft.CodeAnalysis.CSharp.CodeStyle',
            ],
            enabled: false,
        },
    ],
}