Bump coverlet.msbuild from 2.7.0 to 2.8.0

Bumps [coverlet.msbuild](https://github.com/tonerdo/coverlet) from 2.7.0 to 2.8.0.
- [Release notes](https://github.com/tonerdo/coverlet/releases)
- [Commits](https://github.com/tonerdo/coverlet/commits)

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

Author: dependabot-preview[bot]

src/Directory.Build.props

@@ -25,7 +25,7 @@
 
         <PackageVersion_MicrosoftTestSdk>16.4.0</PackageVersion_MicrosoftTestSdk>
         <PackageVersion_NSubstitute>4.2.1</PackageVersion_NSubstitute>
-        <PackageVersion_CoverletMsBuild>2.7.0</PackageVersion_CoverletMsBuild>
+        <PackageVersion_CoverletMsBuild>2.8.0</PackageVersion_CoverletMsBuild>
         <PackageVersion_NUnit>3.12.0</PackageVersion_NUnit>
         <PackageVersion_NUnit3TestAdapter>3.16.0</PackageVersion_NUnit3TestAdapter>
         <PackageVersion_NunitXmlTestLogger>2.1.41</PackageVersion_NunitXmlTestLogger>