chore: update version to 6.15.0

Author: morganleroi

CHANGELOG.md

@@ -1,5 +1,13 @@
 # ChangeLog
 
+## [6.15.0](https://github.com/algolia/algoliasearch-client-csharp/compare/6.14.0...6.15.0) (2023-08-08)
+
+### Fix
+
+- multi indices search serialization (#841) ([ad71b7e](https://github.com/algolia/algoliasearch-client-csharp/commit/ad71b7e))
+
+
+
 ## [6.14.0](https://github.com/algolia/algoliasearch-client-csharp/compare/6.13.0...6.14.0) (2022-11-08)
 
 ### Feat

src/Algolia.Search/Algolia.Search.csproj

@@ -19,7 +19,7 @@
     </PackageDescription>
     <RequireLicenseAcceptance>false</RequireLicenseAcceptance>
     <Copyright>Copyright 2019 Algolia</Copyright>
-    <Version>6.14.0</Version>
+    <Version>6.15.0</Version>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <TargetFrameworks>netstandard2.1;netstandard2.0;netstandard1.3</TargetFrameworks>
     <LangVersion>7.3</LangVersion>