Bump Elastic.Clients.Elasticsearch from 9.0.7 to 9.1.4

---
updated-dependencies:
- dependency-name: Elastic.Clients.Elasticsearch
  dependency-version: 9.1.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

test/Directory.Packages.props

@@ -3,7 +3,7 @@
   <ItemGroup>
     <PackageVersion Include="Azure.Storage.Blobs" Version="12.24.1" />
     <PackageVersion Include="Confluent.Kafka" Version="2.10.1" />
-    <PackageVersion Include="Elastic.Clients.Elasticsearch" Version="9.0.7" />
+    <PackageVersion Include="Elastic.Clients.Elasticsearch" Version="9.1.4" />
     <PackageVersion Include="Google.Protobuf" Version="3.31.1" />
     <PackageVersion Include="GraphQL" Version="8.5.0" />
     <PackageVersion Include="GraphQL.MicrosoftDI" Version="8.5.0" />