fix(stylus): fix stylus ci (#2747)

Author: cprussin

.github/workflows/ci-stylus-check.yml

@@ -15,6 +15,7 @@ on:
   pull_request:
     paths:
       - target_chains/ethereum/sdk/stylus/**
+      - .github/workflows/ci-stylus-check.yml
   push:
     branches:
       - main
@@ -40,7 +41,7 @@ jobs:
         # Check out `rustfmt.toml` to see which ones.
         uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
-          toolchain: nightly
+          toolchain: nightly-2024-09-05
           components: rustfmt
           rustflags: ""