update actions/checkout version

Signed-off-by: Pierre Tessier <pierre@pierretessier.com>

Author: puckpuck

.github/workflows/run-integration-tests.yml

@@ -29,7 +29,7 @@ jobs:
     name: "Run CI"
     steps:
       - name: check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: install docker
         run: |
           curl -fsSL https://get.docker.com -o get-docker.sh