perf.yml in alba-3.2.0

- old
+ new

@@ -2,20 +2,15 @@
 
 on: [pull_request]
 
 jobs:
   build:
-    strategy:
-      fail-fast: false
-      matrix:
-        ruby: ['3.0', 3.1, 3.2]
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: ${{ matrix.ruby }}
-        bundler-cache: true
+        ruby-version: 3.3
     - name: Run benchmark
       run: |
         ruby script/perf_check.rb