CI nits

Author: paragonie-security

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
         phpunit-versions: ['6.5.14']
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -39,7 +39,7 @@ jobs:
         phpunit-versions: ['latest']
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -64,11 +64,11 @@ jobs:
     strategy:
       matrix:
         operating-system: ['ubuntu-latest']
-        php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
+        php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3']
         phpunit-versions: ['latest']
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2