Increment package version after release of Azure.Search.Documents (Azure#13291)

Author: azure-sdk

sdk/search/Azure.Search.Documents/CHANGELOG.md

@@ -1,5 +1,8 @@
 # Release History
 
+## 11.1.0-preview.1 (Unreleased)
+
+
 ## 11.0.0 (2020-07-07)
 
 ### Changed

sdk/search/Azure.Search.Documents/src/Azure.Search.Documents.csproj

@@ -1,7 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AssemblyTitle>Microsoft Azure.Search.Documents client library</AssemblyTitle>
-    <Version>11.0.0</Version>
+    <Version>11.1.0-preview.1</Version>
+    <ApiCompatVersion>11.0.0</ApiCompatVersion>
     <Description>
       This is the Azure Cognitive Search client library for developing .NET
       applications with rich search experiences.  It enables you to query your