Bump Backport.System.Threading.Lock from 2.0.0 to 2.0.3 in /Source

Bumps [Backport.System.Threading.Lock](https:/MarkCiliaVincenti/Backport.System.Threading.Lock) from 2.0.0 to 2.0.3.
- [Release notes](https:/MarkCiliaVincenti/Backport.System.Threading.Lock/releases)
- [Commits](MarkCiliaVincenti/Backport.System.Threading.Lock@2.0.0...2.0.3)

---
updated-dependencies:
- dependency-name: Backport.System.Threading.Lock
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Source/Csla.Analyzers/Csla.Analyzers/Csla.Analyzers.csproj

@@ -16,7 +16,7 @@
  <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.10.0" PrivateAssets="all" />
  <PackageReference Update="NETStandard.Library" PrivateAssets="all" />
  <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
- <PackageReference Include="Backport.System.Threading.Lock" Version="2.0.0" />
+ <PackageReference Include="Backport.System.Threading.Lock" Version="2.0.3" />
  </ItemGroup>
 
  <ItemGroup>

Source/GraphMergerTest/GraphMergerTest.Dal/GraphMergerTest.Dal.csproj

@@ -5,7 +5,7 @@
  <TargetFramework>netstandard2.0</TargetFramework>
  </PropertyGroup>
  <ItemGroup>
- <PackageReference Include="Backport.System.Threading.Lock" Version="2.0.0" /> 
+ <PackageReference Include="Backport.System.Threading.Lock" Version="2.0.3" /> 
  <PackageReference Include="System.Memory.Data" Version="8.0.0" />
  <PackageReference Include="System.Text.Json" Version="8.0.4" />
  </ItemGroup>