ci: use ci-builder image for slither (#9624)

* ci: use ci-builder image for slither

* Update slither.yml

---------
Co-authored-by: Raffaele <151576068+raffaele-oplabs@users.noreply.github.com>

.github/workflows/slither.yml

@@ -10,6 +10,8 @@ on:
 jobs:
   slither-analyze:
     runs-on: ubuntu-latest
+    container:
+      image: us-docker.pkg.dev/oplabs-tools-artifacts/images/ci-builder:v0.43.0
     steps:
       - uses: actions/checkout@v4