update clippy pinned nightly

Author: dwrensha

.github/workflows/ci.yml

@@ -150,7 +150,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: nightly-2023-11-30
+          toolchain: nightly-2024-05-26
           components: clippy
       - uses: actions-rs-plus/clippy-check@v2
         with: