Bump Microsoft.Azure.Cosmos from 3.44.0-preview.1 to 3.45.2 in /dotnet

Bumps [Microsoft.Azure.Cosmos](https://github.com/Azure/azure-cosmos-dotnet-v3) from 3.44.0-preview.1 to 3.45.2.
- [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](https://github.com/Azure/azure-cosmos-dotnet-v3/commits)

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

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

dotnet/Directory.Packages.props

@@ -105,7 +105,7 @@
     <PackageVersion Include="YamlDotNet" Version="15.3.0" />
     <PackageVersion Include="Fluid.Core" Version="2.11.1" />
     <!-- Memory stores -->
-    <PackageVersion Include="Microsoft.Azure.Cosmos" Version="3.44.0-preview.1" />
+    <PackageVersion Include="Microsoft.Azure.Cosmos" Version="3.45.2" />
     <PackageVersion Include="Pgvector" Version="0.2.0" />
     <PackageVersion Include="NRedisStack" Version="0.12.0" />
     <PackageVersion Include="Milvus.Client" Version="2.3.0-preview.1" />