chore(deps): update actions/checkout action to v7

Author: renovate[bot]

.github/workflows/release.yml

@@ -21,7 +21,7 @@ jobs:
         working-directory: docker
     steps:
       - name: checkout repo content
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           repository: OpenAEV-Platform/docker
 # Replace all the occurrences of '{0}' with '42' in the README.md file