✒ README: Update badges

README.md

@@ -8,7 +8,10 @@ compares a ground truth (GT) document page with a OCR result page to compute
 metrics and a word/character differences report. It also supports batch processing by 
 generating, aggregating and summarizing multiple reports.
 
-[![Build Status](https://circleci.com/gh/qurator-spk/dinglehopper.svg?style=svg)](https://circleci.com/gh/qurator-spk/dinglehopper)
+[![Tests](https://github.com/qurator-spk/dinglehopper/workflows/test/badge.svg)](https://github.com/qurator-spk/dinglehopper/actions?query=workflow:"test")
+[![GitHub tag](https://img.shields.io/github/tag/qurator-spk/dinglehopper?include_prereleases=&sort=semver&color=blue)](https://github.com/qurator-spk/dinglehopper/releases/)
+[![License](https://img.shields.io/badge/License-Apache-blue)](#license)
+[![issues - dinglehopper](https://img.shields.io/github/issues/qurator-spk/dinglehopper)](https://github.com/qurator-spk/dinglehopper/issues)
 
 Goals
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