Release 2.7.0

Changes since 2.6.0:

- Add the ability to specify a custom serializer for Avro.
  Fixes ([#261](#261)).

Signed-off-by: Jon Skeet <[email protected]>

Author: jskeet

docs/history.md

@@ -1,5 +1,10 @@
 # Version history (from 2.0)
 
+## 2.7.0 (2023-07-31)
+
+- Add the ability to specify a custom serializer for Avro.
+  Fixes ([#261](https://github.com/cloudevents/sdk-csharp/issues/261)).
+
 ## 2.6.0 (2023-03-07)
 
 - Dependencies: system-level dependencies updated

src/Directory.Build.props

@@ -4,7 +4,7 @@
       - We use the same version number for all stable
       - packages. See PROCESSES.md for details.
       -->
-    <Version>2.6.0</Version>
+    <Version>2.7.0</Version>
 
     <!-- Make the repository root available for other properties -->
     <RepoRoot>$([System.IO.Path]::GetDirectoryName($([MSBuild]::GetPathOfFileAbove('.gitignore', '$(MSBuildThisFileDirectory)'))))</RepoRoot>