CI: Update to actions/checkout@v3

No functional change, but we should keep this current.

(cherry picked from commit 5f4ddb54b05ae0355b1f64c22263a6bc381410df)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit 1e9260500eb71943dcd5f1329550f98d0be08a47)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index de49f43..7b6370e 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -10,7 +10,7 @@
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: install prerequisites
       run: sudo pip install codespell
     - name: check