ci: pull cached artifacts for contracts tests (#11771)

Contracts tests don't need to recompile if we can just use the
artifacts instead.

.circleci/config.yml

@@ -543,6 +543,10 @@ jobs:
           name: print forge version
           command: forge --version
           working_directory: packages/contracts-bedrock
+      - run:
+          name: pull cached artifacts
+          command: bash scripts/ops/pull-artifacts.sh
+          working_directory: packages/contracts-bedrock
       - run:
           name: run tests
           command: just test