Bump MASES.KNet.Serialization.Avro and MASES.KNet in /src/net

Bumps [MASES.KNet.Serialization.Avro](https://github.com/masesgroup/KNet) and [MASES.KNet](https://github.com/masesgroup/KNet). These dependencies needed to be updated together.

Updates `MASES.KNet.Serialization.Avro` from 2.7.5 to 2.7.6
- [Release notes](https://github.com/masesgroup/KNet/releases)
- [Commits](masesgroup/KNet@V2.7.5.0...V2.7.6.0)

Updates `MASES.KNet` from 2.7.5 to 2.7.6
- [Release notes](https://github.com/masesgroup/KNet/releases)
- [Commits](masesgroup/KNet@V2.7.5.0...V2.7.6.0)

---
updated-dependencies:
- dependency-name: MASES.KNet.Serialization.Avro
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: MASES.KNet
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

src/net/KEFCore.SerDes.Avro.Compiler/KEFCore.SerDes.Avro.Compiler.csproj

@@ -23,7 +23,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="MASES.KNet.Serialization.Avro" Version="2.7.5" />
+		<PackageReference Include="MASES.KNet.Serialization.Avro" Version="2.7.6" />
 	</ItemGroup>
 
 	<ItemGroup>