Bump altcover from 8.2.835 to 9.0.102

---
updated-dependencies:
- dependency-name: altcover
  dependency-version: 9.0.102
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Source/spamfilter/spamfilter.BL.Tests/spamfilter.BL.Tests.csproj

@@ -9,7 +9,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="altcover" Version="8.2.835" />
+      <PackageReference Include="altcover" Version="9.0.102" />
       <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0-preview-20211130-02" />
       <PackageReference Include="xunit" Version="2.4.2-pre.12" />
       <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">