Bump coverlet.msbuild from 2.7.0 to 3.0.3

Bumps [coverlet.msbuild](https://github.com/coverlet-coverage/coverlet) from 2.7.0 to 3.0.3.
- [Release notes](https://github.com/coverlet-coverage/coverlet/releases)
- [Commits](https://github.com/coverlet-coverage/coverlet/commits)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

test/AutoTest.ArgumentNullException.Tests/AutoTest.ArgumentNullException.Tests.csproj

@@ -11,7 +11,7 @@
   <ItemGroup>
     <PackageReference Include="AutoFixture.AutoMoq" Version="4.15.0" />
     <PackageReference Include="AutoFixture.Xunit2" Version="4.15.0" />
-    <PackageReference Include="coverlet.msbuild" Version="2.7.0">
+    <PackageReference Include="coverlet.msbuild" Version="3.0.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>

test/AutoTest.ExampleLibrary.Tests/AutoTest.ExampleLibrary.Tests.csproj

@@ -11,7 +11,7 @@
   <ItemGroup>
     <PackageReference Include="AutoFixture.AutoMoq" Version="4.15.0" />
     <PackageReference Include="AutoFixture.Xunit2" Version="4.15.0" />
-    <PackageReference Include="coverlet.msbuild" Version="2.7.0">
+    <PackageReference Include="coverlet.msbuild" Version="3.0.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>