CI: Use persist-credentials=false

Author: minad

.github/workflows/test.yml

@@ -19,6 +19,8 @@ jobs:
         ruby: ['2.5', '2.6', '2.7', '3.0', '3.1', '3.2', '3.3', '3.4', '4.0']
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
@@ -69,6 +71,8 @@ jobs:
       fail-fast: false
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
@@ -83,6 +87,8 @@ jobs:
       fail-fast: false
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
@@ -101,6 +107,8 @@ jobs:
       fail-fast: false
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
@@ -123,6 +131,8 @@ jobs:
       fail-fast: false
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with: