Update readme, update bats setup

Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>

.github/workflows/ci.yml

@@ -24,9 +24,7 @@ jobs:
         version: latest
         args: release --snapshot --skip-publish --rm-dist
     - name: Setup BATS framework
-      uses: mig4/setup-bats@master
-      with:
-        bats-version: 1.1.0
+      run: sudo npm install -g bats
     - name: kubectx (Go) integration tests
       run: COMMAND=./dist/kubectx_linux_amd64/kubectx bats test/kubectx.bats
     - name: kubens (Go) integration tests

README.md

@@ -5,10 +5,12 @@
 ![Travis (.org) branch](https://img.shields.io/travis/ahmetb/kubectx/master.svg)
 ![Proudly written in Bash](https://img.shields.io/badge/written%20in-bash-ff69b4.svg)
 
-
 This repository provides both `kubectx` and `kubens` tools.
 [Install →](#installation)
 
+> **🥳📰 NEWS:** With v0.9.0 `kubectx` and `kubens` are now rewritten in Go.
+> Bash versions are still available, however please test the new Go versions
+> by downloading them from [Releases](/releases).
 
 **`kubectx`** helps you switch between clusters back and forth:
 ![kubectx demo GIF](img/kubectx-demo.gif)