attempt to reorder operations to fix CI

attempt to reorder operations to fix CI

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 597f520..c8ad633 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     name: Ruby ${{ matrix.ruby }}
     strategy:
       matrix:
-        ruby: ["3.0","2.7", "2.6"]
+        ruby: ["3.0", "2.7", "2.6"]
     steps:
       - uses: actions/checkout@master
         with:
@@ -28,9 +28,9 @@ jobs:
             ${{ runner.os }}-${{ matrix.ruby }}-gems-v2-
       - name: Setup gems
         run: |
-          gem install bundler
           # for Ruby <= 2.6 , details https://github.com/rubygems/rubygems/issues/3284
           gem update --system 3.0.8 && gem update --system
+          gem install bundler
           bundle config path vendor/bundle
           bundle install --jobs 4
           bundle exec appraisal install

GitHub sha: 7f2f2fce910400ff6e015ae420b1b0abceb1a9ce