Bump SharpZipLib from 1.3.2 to 1.4.2

---
updated-dependencies:
- dependency-name: SharpZipLib
  dependency-version: 1.4.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

NetSdrClientApp/NetSdrClientApp.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
   <ItemGroup>
   	<PackageReference Include="Newtonsoft.Json" Version="13.0.0" />
-  	<PackageReference Include="SharpZipLib" Version="1.3.2" />
+  	<PackageReference Include="SharpZipLib" Version="1.4.2" />
       <ProjectReference Include="..\EchoTspServer\EchoServer.csproj" />
   </ItemGroup>