Adding Mac ARM github hosted runner.

Author: zivy

.github/workflows/scheduled_or_manual.yml

@@ -61,6 +61,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install enchant-2
         elif [ "$RUNNER_OS" == "macOS" ]; then
+          echo "runner is ${{ matrix.os }}"
           brew update-reset
           brew install enchant
         fi