fix: add go-mod-validator exemption for chainlink-sui (#22)

Author: erikburt

.github/workflows/go-mod-validation.yml

@@ -18,3 +18,4 @@ jobs:
         with:
           repo-branch-exceptions: |
             smartcontractkit/chainlink-ccip:develop
+            smartcontractkit/chainlink-sui:2.31.0-cherry-picked