Actions: Fixes macOS Homebrew workflow

.github/workflows/macos-brew.yml

@@ -11,7 +11,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - run: brew upgrade
-    - run: brew install dash bash ksh mksh yash zsh
+    - run: brew install --cask dash bash ksh93 mksh yash zsh
     - name: Install shellspec
       run: |
         echo "${HOME}/.local/bin" >> "$GITHUB_PATH"

Makefile

@@ -29,6 +29,7 @@ test:
 .PHONY: test_in_various_shells
 test_in_various_shells:
 	if type sh; then shellspec -s sh; fi
+	if type dash; then shellspec -s dash; fi
 	if type bash; then shellspec -s bash; fi
 	if type busybox; then shellspec -s 'busybox ash'; fi
 	if type ksh; then shellspec -s ksh; fi