deps: Update dependency dotnet-reportgenerator-globaltool to version 5.1.13

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
dotnet-reportgenerator-globaltool	nuget	patch	5.1.12 -> 5.1.13

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Release Notes

danielpalme/ReportGenerator

### [`v5.1.13`](https://togithub.com/danielpalme/ReportGenerator/releases/tag/v5.1.13): ReportGenerator_5.1.13 This release requires .NET 4.7 or .NET Core 3.1/5.x/6.x/7.x. #### Changes: - [#​567](https://togithub.com/danielpalme/ReportGenerator/issues/567): Added report type: MarkdownSummaryGithub - [#​575](https://togithub.com/danielpalme/ReportGenerator/issues/575): Added title to Markdown and text reports - [#​576](https://togithub.com/danielpalme/ReportGenerator/issues/576): Improved support for Clover files generated by PhpUnit

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