Merge pull request #9 from OpenZeppelin/renovate/oxsecurity-megalinter-7.x

Update oxsecurity/megalinter action to v7

Author: peersky

.github/workflows/megalinter.yml

@@ -48,7 +48,7 @@ jobs:
       - name: MegaLinter
         id: ml
         # More info at https://megalinter.github.io/flavors/
-        uses: oxsecurity/megalinter/flavors/javascript@v6
+        uses: oxsecurity/megalinter/flavors/javascript@v7
         env:
           # https://megalinter.github.io/configuration/
           VALIDATE_ALL_CODEBASE: true