ci : update GitHub Actions versions [no ci] (#18935)

.github/workflows/pre-tokenizer-hashes.yml

@@ -16,10 +16,10 @@ jobs:
 
         steps:
         - name: Checkout repository
-          uses: actions/checkout@v4
+          uses: actions/checkout@v6
 
         - name: Set up Python
-          uses: actions/setup-python@v5
+          uses: actions/setup-python@v6
           with:
               python-version: '3.11'