Update badge for Codacy (fixes issue UB-Mannheim#178)

Signed-off-by: Stefan Weil <[email protected]>

README.md

@@ -1,6 +1,6 @@
 # ocr-fileformat
 
-[![Codacy Badge](https://api.codacy.com/project/badge/Grade/46847fb2bf764f77bd8feb35b003120a)](https://www.codacy.com/app/UB-Mannheim/ocr-fileformat?utm_source=github.com&utm_medium=referral&utm_content=UB-Mannheim/ocr-fileformat&utm_campaign=badger)
+[![Codacy Badge](https://app.codacy.com/project/badge/Grade/1cd1dc54634249aebbe3e157569ed26f)](https://app.codacy.com/gh/UB-Mannheim/ocr-fileformat/dashboard?utm_source=gh&utm_medium=referral&utm_content=&utm_campaign=Badge_grade)
 [![Build Status](https://github.com/UB-Mannheim/ocr-fileformat/actions/workflows/ci.yml/badge.svg)](https://github.com/UB-Mannheim/ocr-fileformat/actions/workflows/ci.yml)
 [![GitHub release](https://img.shields.io/github/release/UB-Mannheim/ocr-fileformat.svg?maxAge=3600)](https://github.com/UB-Mannheim/ocr-fileformat/releases)
 [![ocr-fileformat Docker build](https://img.shields.io/docker/automated/ubma/ocr-fileformat.svg?maxAge=2592000?style=plastic)](https://hub.docker.com/r/ubma/ocr-fileformat)