Dependency (dependabot/nuget): Bump AWSSDK.EC2 in /Source

Bumps [AWSSDK.EC2](https://github.com/aws/aws-sdk-net) from 3.7.427 to 3.7.428.
- [Release notes](https://github.com/aws/aws-sdk-net/releases)
- [Changelog](https://github.com/aws/aws-sdk-net/blob/main/SDK.CHANGELOG.MD)
- [Commits](aws/aws-sdk-net@3.7.427.0...3.7.428.0)

---
updated-dependencies:
- dependency-name: AWSSDK.EC2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Source/NETworkManager/NETworkManager.csproj

@@ -60,7 +60,7 @@
     </ItemGroup>
     <ItemGroup>
         <PackageReference Include="AirspaceFixer" Version="1.0.6" />
-        <PackageReference Include="AWSSDK.EC2" Version="3.7.427" />
+        <PackageReference Include="AWSSDK.EC2" Version="3.7.428" />
         <PackageReference Include="DnsClient" Version="1.8.0" />
         <PackageReference Include="gong-wpf-dragdrop" Version="4.0.0" />
         <PackageReference Include="IPNetwork2" Version="3.0.667" />