.github/workflows/push-cibuild.yml in github-pages-health-check-1.18.2 vs .github/workflows/push-cibuild.yml in github-pages-health-check-1.18.4

@@ -1,16 +1,16 @@
 on: push
 name: "GitHub Pages Health Check Tests"
+permissions:
+  contents: read
 jobs:
   build:
     name: "GitHub Pages Health Check Tests"
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         ruby:
-          - '2.6'
-          - '2.7'
           - '3.0'
           - '3.1'
           - '3.2'
     steps:
     - uses: actions/checkout@master