Update deploy.yml to actions/checkout@v6

Newer is better. Should not have a functional impact.

Author: TimWolla

.github/workflows/deploy.yml

@@ -31,7 +31,7 @@ jobs:
       BRANCHES: "dev 3.3 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.9 1.8 1.7 1.6"
     steps:
     - name: Clone the docs.
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
     - name: Prepare git.
@@ -44,7 +44,7 @@ jobs:
       with:
         python-version: '3.x'
     - name: Clone dconv.
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
         repository: cbonte/haproxy-dconv