fix badge?

Signed-off-by: Jens Reinecke <[email protected]>

Author: jreineckearm

README.md

@@ -1,5 +1,5 @@
 [![Maintainability](https://qlty.sh/badges/2170b449-4b4b-43e8-8bba-18665ed21a08/maintainability.svg)](https://qlty.sh/gh/Open-CMSIS-Pack/projects/vscode-cmsis-debugger)
-[![Test Coverage](https://qlty.sh/badges/2170b449-4b4b-43e8-8bba-18665ed21a08/test_coverage.svg)](https://qlty.sh/gh/Open-CMSIS-Pack/projects/vscode-cmsis-debugger)
+[![Test Coverage](https://qlty.sh/badges/2170b449-4b4b-43e8-8bba-18665ed21a08/coverage.svg)](https://qlty.sh/gh/Open-CMSIS-Pack/projects/vscode-cmsis-debugger)
 [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/Open-CMSIS-Pack/vscode-cmsis-debugger/badge)](https://securityscorecards.dev/viewer/?uri=github.com/Open-CMSIS-Pack/vscode-cmsis-debugger)
 
 # Arm CMSIS Debugger