update gh action badges (#855)

* update gh action badge

* Update README.md

* Update README.md

* Update README.md

Author: jstriebel

README.md

@@ -1,7 +1,7 @@
 # webKnossos-libs
 [![PyPI version](https://img.shields.io/pypi/v/webknossos)](https://pypi.python.org/pypi/webknossos)
 [![Supported Python Versions](https://img.shields.io/pypi/pyversions/webknossos.svg)](https://pypi.python.org/pypi/webknossos)
-[![Build Status](https://img.shields.io/github/workflow/status/scalableminds/webknossos-libs/CI/master)](https://github.com/scalableminds/webknossos-libs/actions?query=workflow%3A%22CI%22)
+[![Build Status](https://img.shields.io/github/actions/workflow/status/scalableminds/webknossos-libs/.github/workflows/ci.yml?branch=master)](https://github.com/scalableminds/webknossos-libs/actions?query=workflow%3A%22CI%22)
 [![Documentation](https://img.shields.io/badge/docs-passing-brightgreen.svg)](https://docs.webknossos.org/webknossos-py/index.html)
 [![Code Style](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 

cluster_tools/README.md

@@ -1,6 +1,6 @@
 # Cluster Tools
 
-[![CircleCI](https://circleci.com/gh/scalableminds/cluster_tools/tree/master.svg?style=svg)](https://circleci.com/gh/scalableminds/cluster_tools/tree/master)
+[![Build Status](https://img.shields.io/github/actions/workflow/status/scalableminds/webknossos-libs/.github/workflows/ci.yml?branch=master)](https://github.com/scalableminds/webknossos-libs/actions?query=workflow%3A%22CI%22)
 
 This package provides python `Executor` classes for distributing tasks on a slurm cluster or via multi processing.
 

webknossos/README.md

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 # WEBKNOSSOS Python Library
 [![PyPI version](https://img.shields.io/pypi/v/webknossos)](https://pypi.python.org/pypi/webknossos)
 [![Supported Python Versions](https://img.shields.io/pypi/pyversions/webknossos.svg)](https://pypi.python.org/pypi/webknossos)
-[![Build Status](https://img.shields.io/github/workflow/status/scalableminds/webknossos-libs/CI/master)](https://github.com/scalableminds/webknossos-libs/actions?query=workflow%3A%22CI%22)
+[![Build Status](https://img.shields.io/github/actions/workflow/status/scalableminds/webknossos-libs/.github/workflows/ci.yml?branch=master)](https://github.com/scalableminds/webknossos-libs/actions?query=workflow%3A%22CI%22)
 [![Documentation](https://img.shields.io/badge/docs-passing-brightgreen.svg)](https://docs.webknossos.org/webknossos-py)
 [![Code Style](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 

wkcuber/README.md

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 # WEBKNOSSOS cuber (wkcuber)
 [![PyPI version](https://img.shields.io/pypi/v/wkcuber)](https://pypi.python.org/pypi/wkcuber)
 [![Supported Python Versions](https://img.shields.io/pypi/pyversions/wkcuber.svg)](https://pypi.python.org/pypi/wkcuber)
-[![Build Status](https://img.shields.io/github/workflow/status/scalableminds/webknossos-libs/CI/master)](https://github.com/scalableminds/webknossos-libs/actions?query=workflow%3A%22CI%22)
+[![Build Status](https://img.shields.io/github/actions/workflow/status/scalableminds/webknossos-libs/.github/workflows/ci.yml?branch=master)](https://github.com/scalableminds/webknossos-libs/actions?query=workflow%3A%22CI%22)
 [![Documentation](https://img.shields.io/badge/docs-passing-brightgreen.svg)](https://docs.webknossos.org/wkcuber/index.html)
 [![Code Style](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)