Update tests.yml.

.github/workflows/tests.yml

@@ -1,31 +1,28 @@
 name: brew test-bot
+
 on:
   push:
     branches:
       - main
   pull_request:
+
 jobs:
   test-bot:
     strategy:
       matrix:
-        os: [ubuntu-22.04, macos-13]
+        os: [ubuntu-22.04, macos-13, macos-14]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Set up Homebrew
         id: set-up-homebrew
         uses: Homebrew/actions/setup-homebrew@master
 
       - name: Cache Homebrew Bundler RubyGems
-        id: cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.set-up-homebrew.outputs.gems-path }}
-          key: ${{ runner.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
-          restore-keys: ${{ runner.os }}-rubygems-
-
-      - name: Install Homebrew Bundler RubyGems
-        if: steps.cache.outputs.cache-hit != 'true'
-        run: brew install-bundler-gems
+          key: ${{ matrix.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
+          restore-keys: ${{ matrix.os }}-rubygems-
 
       - run: brew test-bot --only-cleanup-before
 
@@ -38,7 +35,7 @@ jobs:
 
       - name: Upload bottles as artifact
         if: always() && github.event_name == 'pull_request'
-        uses: actions/upload-artifact@main
+        uses: actions/upload-artifact@v4
         with:
-          name: bottles
+          name: bottles_${{ matrix.os }}
           path: '*.bottle.*'