general workflows fixup

.github/workflows/publish.yml

@@ -6,7 +6,7 @@ on:
 jobs:
   pr-pull:
     if: contains(github.event.pull_request.labels.*.name, 'pr-pull')
-    runs-on: ubuntu-latest
+    runs-on: macos-13
     steps:
       - name: Set up Homebrew
         uses: Homebrew/actions/setup-homebrew@master
@@ -18,7 +18,7 @@ jobs:
         env:
           HOMEBREW_GITHUB_API_TOKEN: ${{ github.token }}
           PULL_REQUEST: ${{ github.event.pull_request.number }}
-        run: brew pr-pull --debug --tap=$GITHUB_REPOSITORY $PULL_REQUEST
+        run: brew pr-pull --debug --tap="$GITHUB_REPOSITORY" "$PULL_REQUEST"
 
       - name: Push commits
         uses: Homebrew/actions/git-try-push@master
@@ -30,4 +30,4 @@ jobs:
         if: github.event.pull_request.head.repo.fork == false
         env:
           BRANCH: ${{ github.event.pull_request.head.ref }}
-        run: git push --delete origin $BRANCH
+        run: git push --delete origin "$BRANCH"

.github/workflows/tests.yml

@@ -5,10 +5,7 @@ on:
   pull_request:
 jobs:
   test-bot:
-    strategy:
-      matrix:
-        os: [macOS-latest]
-    runs-on: ${{ matrix.os }}
+    runs-on: macos-13
     steps:
       - name: Set up Homebrew
         id: set-up-homebrew
@@ -16,7 +13,7 @@ jobs:
 
       - name: Cache Homebrew Bundler RubyGems
         id: cache
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: ${{ steps.set-up-homebrew.outputs.gems-path }}
           key: ${{ runner.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}