Update actions/checkout digest to 93cb6ef

Author: renovate[bot]

.github/workflows/continuous-integration.yaml

@@ -31,7 +31,7 @@ jobs:
           - "ubuntu-latest"
     steps:
       - name: "checkout"
-        uses: "actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8" # v5
+        uses: "actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd" # v5
 
       - name: "install php"
         uses: "shivammathur/setup-php@2.35.5"
@@ -65,7 +65,7 @@ jobs:
 
     steps:
       - name: "checkout"
-        uses: "actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8" # v5
+        uses: "actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd" # v5
 
       - name: "install php"
         uses: "shivammathur/setup-php@2.35.5"
@@ -101,7 +101,7 @@ jobs:
 
     steps:
       - name: "checkout"
-        uses: "actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8" # v5
+        uses: "actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd" # v5
 
       - name: "install PHP"
         uses: "shivammathur/setup-php@2.35.5"