Add GitHub release badge to README.

Also changed the logo for the Azure Pipelines task to the Azure Pipelines logo.

README.md

@@ -7,7 +7,9 @@ GitHub Actions that allow to install and use the [GitVersion](https://github.com
 [![Build Status](https://github.com/GitTools/actions/workflows/CI/badge.svg)](https://github.com/GitTools/actions/actions)
 [![Build Status](https://github.com/GitTools/actions/workflows/release/badge.svg)](https://github.com/GitTools/actions/actions)
 
-[![Azure Pipelines Task](https://img.shields.io/badge/marketplace-gittools.gittools-blue?logo=visual-studio)](https://marketplace.visualstudio.com/items?itemName=gittools.gittools)
+[![GitHub Release](https://img.shields.io/github/v/release/gittools/actions?logo=github&sort=semver)](https://github.com/GitTools/actions/releases/latest)
+
+[![Azure Pipelines Task](https://img.shields.io/badge/marketplace-gittools.gittools-blue?logo=azure-pipelines)](https://marketplace.visualstudio.com/items?itemName=gittools.gittools)
 [![Github Action](https://img.shields.io/badge/marketplace-use--actions-blue?logo=github)](https://github.com/marketplace/actions/use-actions)
 
 ## Usage