CI: Update to actions/checkout@v4

No functional change, but we should keep this current.

see 5f4ddb54b05ae0355b1f64c22263a6bc381410df

(cherry picked from commit 5c923f1869881156bf3a25c9659655ae10f7dbd0)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit 425ed65fe131015ee62f4859cadf93529d5aa609)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit 7d4259e60aca30160c81dfe337d540d655f9b298)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit 59580117cd3ec24818b8608c4fc07b2c91053976)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 7b6370e..a94123f 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -10,7 +10,7 @@
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: install prerequisites
       run: sudo pip install codespell
     - name: check