Increment version for core releases (Azure#13208)

* Increment package version after release of Azure.Core

* Increment package version after release of Azure.Core.Experimental

Author: azure-sdk

sdk/core/Azure.Core.Experimental/CHANGELOG.md

@@ -1,5 +1,8 @@
 # Release History
 
+## 0.1.0-preview.3 (Unreleased)
+
+
 ## 0.1.0-preview.2 (2020-07-02)
 
 ### Breaking Changes

sdk/core/Azure.Core.Experimental/src/Azure.Core.Experimental.csproj

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <Description>Experimental types that might eventually move to Azure.Core</Description>
     <AssemblyTitle>Microsoft Azure Client Pipeline Experimental Extensions</AssemblyTitle>
-    <Version>0.1.0-preview.2</Version>
+    <Version>0.1.0-preview.3</Version>
     <PackageTags>Microsoft Azure Client Pipeline</PackageTags>
     <Nullable>enable</Nullable>
     <TargetFrameworks>$(RequiredTargetFrameworks)</TargetFrameworks>

sdk/core/Azure.Core/CHANGELOG.md

@@ -1,5 +1,8 @@
 # Release History
 
+## 1.4.0-preview.1 (Unreleased)
+
+
 ## 1.3.0 (2020-07-02)
 
 ### Added

sdk/core/Azure.Core/src/Azure.Core.csproj

@@ -2,8 +2,8 @@
   <PropertyGroup>
     <Description>This is the implementation of the Azure Client Pipeline</Description>
     <AssemblyTitle>Microsoft Azure Client Pipeline</AssemblyTitle>
-    <Version>1.3.0</Version>
-    <ApiCompatVersion>1.2.2</ApiCompatVersion>
+    <Version>1.4.0-preview.1</Version>
+    <ApiCompatVersion>1.3.0</ApiCompatVersion>
     <PackageTags>Microsoft Azure Client Pipeline</PackageTags>
     <Nullable>enable</Nullable>
     <DefineConstants>$(DefineConstants);AZURE_NULLABLE</DefineConstants>