Increment version for storage releases (#20709)

Increment package version after release of Azure.Storage.Blobs

sdk/storage/Azure.Storage.Blobs/CHANGELOG.md

@@ -1,5 +1,8 @@
 # Release History
 
+## 12.9.0-beta.1 (Unreleased)
+
+
 ## 12.8.3 (2020-04-27)
 - Fixed bug where Stream returned by BlockBlobClient.OpenWrite could corrupt blocks if flushed between writes.
 
@@ -85,64 +88,64 @@
 - Fixed bug where BlobBaseClient.BlobName was encoded, affecting SAS generation.
 - Fixed bug where AccountType enum was missing BlockBlobStorage and FileStorage
 
-## 12.5.0-preview.4 (2020-06)
+## 12.5.0-preview.4 
 - This preview contains bug fixes to improve quality.
 
-## 12.5.0-preview.1 (2020-06)
+## 12.5.0-preview.1 
 - This preview adds support for client-side encryption, compatible with data uploaded in previous major versions.
 
-## 12.4.4 (2020-06)
+## 12.4.4 
 - This release contains bug fixes to improve quality.
 
-## 12.4.3 (2020-06)
+## 12.4.3 
 - Fixed bug where copy from URL did not handle non-ASCII characters correctly
 - Fixed bug where download could hang indefinietly on .NET Framework
 
-## 12.4.2 (2020-05)
+## 12.4.2 
 - Fixed bug where blob, file and directory names were not URL encoded.
 - Fixed bug where BlobBaseClient.DownloadAsync() could download data incorrectly if intermittent network failure occurs.
 
-## 12.4.1 (2020-04)
+## 12.4.1 
 - Fixed bug where BlobContainerClient.DeleteIfExistsAsync() would throw an exception if hierarchical namespace was enabled, and the underlying container didn't exist.
 - Fixed bug where BlobBaseClient.DownloadAsync() would throw an exception when download an empty Blob.
 - Fixed bug where BlockBlobClient.CommitBlockListAsync() would throw an exception when commiting previously committed blocks.
 
-## 12.4.0 (2020-03)
+## 12.4.0 
 - Fixed bug in BlobBaseClient.Download() and BlobClient.Upload() where TransferOptions.MaximumTransferLength was ignored.
 
-## 12.3.0 (2020-02)
+## 12.3.0 
 - Added support for service version 2019-07-07.
 - Added support for Encryption Scopes.
 - Modified BlockBlobClient.Upload() and .UploadAsync() to support parallel and multi-part uploads.
 - Fixed issue where SAS didn't work with signed identifiers.
 - Sanitized header values in exceptions.
 
-## 12.2.0 (2020-01)
+## 12.2.0 
  - Added Exists API to BlobBaseClient and BlobContainerClient
  - Fixed issue where SAS content headers were not URL encoded when using BlobSasBuilder.
  - Fixed progress reporting issue for parallel uploads
  - Fixed bug where using SAS connection string from portal would throw an exception if it included
    table endpoint.
 
-## 12.1.0
+## 12.1.0 
 - Added check to enforce TokenCredential is used only over HTTPS
 - Support using SAS token from connection string
 - Fixed issue where AccountName on BlobUriBuilder would not be populated
   for non-IP style Uris.
 
-## 12.0.0 (2019-11)
+## 12.0.0 
 - Renamed a number of operations and models to better align with other client
   libraries and the .NET Framework Design Guidelines
 - Parallel upload/download performance improvements
 
-## 12.0.0-preview.4 (2019-10)
+## 12.0.0-preview.4 
 - Added support for Customer Provided Key server side encryption
 - Verification of echoed client request IDs
 - Support for geo-redundant read from secondary location on failure
 - Added CreateIfNotExists and DeleteIfNotExists convenience methods for Blobs
 - Added convenient resource Name properties on all clients
 
-## 12.0.0-preview.3 (2019-09)
+## 12.0.0-preview.3 
 - New Storage features for service version 2019-02-02 (including Customer
   Provided Key, expanded Set Tier support, the ability to set rehydration
   priority, etc.)
@@ -151,11 +154,11 @@
 
 For more information, please visit: https://aka.ms/azure-sdk-preview3-net.
 
-## 12.0.0-preview.2 (2019-08)
+## 12.0.0-preview.2 
 - Distributed Tracing
 - Bug fixes
 
-## 12.0.0-preview.1 (2019-07)
+## 12.0.0-preview.1 
 This preview is the first release of a ground-up rewrite of our client
 libraries to ensure consistency, idiomatic design, productivity, and an
 excellent developer experience.  It was created following the Azure SDK Design

sdk/storage/Azure.Storage.Blobs/src/Azure.Storage.Blobs.csproj

@@ -4,8 +4,8 @@
   </PropertyGroup>
   <PropertyGroup>
     <AssemblyTitle>Microsoft Azure.Storage.Blobs client library</AssemblyTitle>
-    <Version>12.8.3</Version>
-    <ApiCompatVersion>12.7.0</ApiCompatVersion>
+    <Version>12.9.0-beta.1</Version>
+    <ApiCompatVersion>12.8.3</ApiCompatVersion>
     <DefineConstants>BlobSDK;$(DefineConstants)</DefineConstants>
     <PackageTags>Microsoft Azure Storage Blobs;Microsoft;Azure;Blobs;Blob;Storage;StorageScalable;$(PackageCommonTags)</PackageTags>
     <Description>