Bump Testcontainers.Elasticsearch from 4.4.0 to 4.9.0

---
updated-dependencies:
- dependency-name: Testcontainers.Elasticsearch
  dependency-version: 4.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

tests/Foundatio.Lucene.Elasticsearch.Tests/Foundatio.Lucene.Elasticsearch.Tests.csproj

@@ -2,7 +2,7 @@
 
   <ItemGroup>
     <PackageReference Include="Elastic.Clients.Elasticsearch" Version="9.2.2" />
-    <PackageReference Include="Testcontainers.Elasticsearch" Version="4.4.0" />
+    <PackageReference Include="Testcontainers.Elasticsearch" Version="4.9.0" />
   </ItemGroup>
 
   <ItemGroup>