Bump coverlet.msbuild from 3.0.3 to 3.1.0

Bumps [coverlet.msbuild](https://github.com/coverlet-coverage/coverlet) from 3.0.3 to 3.1.0.
- [Release notes](https://github.com/coverlet-coverage/coverlet/releases)
- [Commits](https://github.com/coverlet-coverage/coverlet/commits/v3.1.0)

---
updated-dependencies:
- dependency-name: coverlet.msbuild
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/Directory.Build.props

@@ -33,7 +33,7 @@
 
         <PackageVersion_MicrosoftTestSdk>16.11.0</PackageVersion_MicrosoftTestSdk>
         <PackageVersion_NSubstitute>4.2.2</PackageVersion_NSubstitute>
-        <PackageVersion_CoverletMsBuild>3.0.3</PackageVersion_CoverletMsBuild>
+        <PackageVersion_CoverletMsBuild>3.1.0</PackageVersion_CoverletMsBuild>
         <PackageVersion_NUnit>3.13.2</PackageVersion_NUnit>
         <PackageVersion_NUnit3TestAdapter>4.0.0</PackageVersion_NUnit3TestAdapter>
         <PackageVersion_NunitXmlTestLogger>3.0.107</PackageVersion_NunitXmlTestLogger>