[release/9.0] Bump Microsoft.Azure.Cosmos from 3.42.0 to 3.43.0 (#34639)

Bumps [Microsoft.Azure.Cosmos](https://github.com/Azure/azure-cosmos-dotnet-v3) from 3.42.0 to 3.43.0.
- [Release notes](https://github.com/Azure/azure-cosmos-dotnet-v3/releases)
- [Changelog](https://github.com/Azure/azure-cosmos-dotnet-v3/blob/master/changelog.md)
- [Commits](Azure/azure-cosmos-dotnet-v3@3.42.0...3.43.0)

---
updated-dependencies:
- dependency-name: Microsoft.Azure.Cosmos
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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src/EFCore.Cosmos/EFCore.Cosmos.csproj

@@ -48,7 +48,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Azure.Cosmos" Version="3.42.0" />
+    <PackageReference Include="Microsoft.Azure.Cosmos" Version="3.43.0" />
   </ItemGroup>
 
   <ItemGroup>