Increment package version after release of Microsoft.Azure.Batch (Azure#23027)

Author: azure-sdk

sdk/batch/Microsoft.Azure.Batch/CHANGELOG.md

@@ -1,5 +1,15 @@
 # Release History
 
+## 15.1.0-beta.1 (Unreleased)
+
+### Features Added
+
+### Breaking Changes
+
+### Bugs Fixed
+
+### Other Changes
+
 ## 15.0.0 (2021-07-30)
 
 ### Features Added

sdk/batch/Microsoft.Azure.Batch/src/Microsoft.Azure.Batch.csproj

@@ -1,7 +1,9 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <Description>This client library provides access to the Microsoft Azure Batch service.</Description>
-    <Version>15.0.0</Version>
+    <Version>15.1.0-beta.1</Version>
+    <!--The ApiCompatVersion is managed automatically and should not generally be modified manually.-->
+    <ApiCompatVersion>15.0.0</ApiCompatVersion>
     <DefineConstants>$(DefineConstants);CODESIGN</DefineConstants>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <AssemblyTitle>Microsoft Azure Batch</AssemblyTitle>