Increment version for mixedreality releases (Azure#18964)

Increment package version after release of Azure.MixedReality.Authentication

Author: azure-sdk

sdk/mixedreality/Azure.MixedReality.Authentication/CHANGELOG.md

@@ -1,5 +1,8 @@
 # Release History
 
+## 1.1.0-beta.1 (Unreleased)
+
+
 ## 1.0.0 (2021-02-23)
 
 - First stable release.

sdk/mixedreality/Azure.MixedReality.Authentication/src/Azure.MixedReality.Authentication.csproj

@@ -1,7 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AssemblyTitle>Microsoft Azure Mixed Reality STS Client</AssemblyTitle>
-    <Version>1.0.0</Version>
+    <Version>1.1.0-beta.1</Version>
+    <ApiCompatVersion>1.0.0</ApiCompatVersion>
     <PackageTags>Azure MixedReality</PackageTags>
     <Copyright>© Microsoft Corporation. All rights reserved.</Copyright>
     <Authors>Microsoft</Authors>