Bump coverlet.collector from 3.0.3 to 3.1.0 (#619)

Author: dependabot[bot]

Directory.Build.targets

@@ -34,7 +34,7 @@
         <PackageReference Update="Serilog.Sinks.Observable" Version="2.0.2"/>
         <PackageReference Update="Serilog.Sinks.XUnit" Version="2.0.4"/>
         <PackageReference Update="XunitXml.TestLogger" Version="3.0.66"/>
-        <PackageReference Update="coverlet.collector" Version="3.0.3"/>
+        <PackageReference Update="coverlet.collector" Version="3.1.0"/>
         <PackageReference Update="coverlet.msbuild" Version="3.0.3"/>
         <PackageReference Update="System.Reactive" Version="4.4.1"/>
         <PackageReference Update="System.Collections.Immutable" Version="1.7.1"/>