Fix: wrong URL for spell check badge. (#17)

Author: aentinger

README.md

@@ -1,7 +1,7 @@
 `Arduino_AdvancedAnalog` 〰
 ===========================
 [![Compile Examples status](https://github.com/bcmi-labs/AdvancedAnalogRedux/actions/workflows/compile-examples.yml/badge.svg)](https://github.com/bcmi-labs/AdvancedAnalogRedux/actions/workflows/compile-examples.yml)
-[![Spell Check status](https://github.com/bcmi-labs/AdvancedAnalogRedux/actions/workflows/spell-check-task.yml/badge.svg)](https://github.com/bcmi-labs/AdvancedAnalogRedux/actions/workflows/spell-check-task.yml)
+[![Spell Check status](https://github.com/bcmi-labs/AdvancedAnalogRedux/actions/workflows/spell-check.yml/badge.svg)](https://github.com/bcmi-labs/AdvancedAnalogRedux/actions/workflows/spell-check.yml)
 [![Sync Labels status](https://github.com/bcmi-labs/AdvancedAnalogRedux/actions/workflows/sync-labels.yml/badge.svg)](https://github.com/bcmi-labs/AdvancedAnalogRedux/actions/workflows/sync-labels.yml)
 [![Arduino Lint](https://github.com/bcmi-labs/AdvancedAnalogRedux/workflows/Arduino%20Lint/badge.svg)](https://github.com/bcmi-labs/AdvancedAnalogRedux/actions?workflow=Arduino+Lint)