Update tests now that brew audit [path] is deprecated

Author: nex3

.github/workflows/ci.yaml

@@ -17,14 +17,16 @@ jobs:
       fail-fast: false
       matrix:
         recipe:
-          - sass.rb
-          - [email protected].rb
-          - migrator.rb
+          - sass
+          - [email protected]
+          - migrator
 
     steps:
       - uses: actions/checkout@v3
       - run: brew update
-      - run: brew audit --strict --git --online --formula $GITHUB_WORKSPACE/Formula/${{ matrix.recipe }}
-      - run: brew install --formula $GITHUB_WORKSPACE/Formula/${{ matrix.recipe }}
-      - run: brew test $GITHUB_WORKSPACE/Formula/${{ matrix.recipe }}
-      - run: brew uninstall --formula $GITHUB_WORKSPACE/Formula/${{ matrix.recipe }}
+      - run: brew tap-new sass/sass
+      - run: git checkout -C $(brew --repository sass/sass) $(git rev-parse HEAD)
+      - run: brew audit --strict --git --online sass/${{ matrix.recipe }}
+      - run: brew install sass/${{ matrix.recipe }}
+      - run: brew test sass/${{ matrix.recipe }}
+      - run: brew uninstall sass/${{ matrix.recipe }}