ci: bump dtolnay/rust-toolchain

Bumps [dtolnay/rust-toolchain](https://github.com/dtolnay/rust-toolchain) from 3c5f7ea28cd621ae0bf5283f0e981fb97b8a7af9 to fa04a1451ff1842e2626ccb99004d0195b455a88.
- [Release notes](https://github.com/dtolnay/rust-toolchain/releases)
- [Commits](dtolnay/rust-toolchain@3c5f7ea...fa04a14)

---
updated-dependencies:
- dependency-name: dtolnay/rust-toolchain
  dependency-version: fa04a1451ff1842e2626ccb99004d0195b455a88
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/panic-attack.yml

@@ -35,7 +35,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Install Rust toolchain (stable)
-        uses: dtolnay/rust-toolchain@3c5f7ea28cd621ae0bf5283f0e981fb97b8a7af9 # stable
+        uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
         with:
           toolchain: stable
       - name: Install panic-attacker