Update nightly version

Author: utpilla

.github/workflows/ci.yml

@@ -71,7 +71,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@nightly
         with:
-          toolchain: nightly-2024-02-07
+          toolchain: nightly-2024-07-25
           components: rustfmt
       - name: external-type-check
         run: |