build(deps): bump dtolnay/rust-toolchain from 1.65.0 to 1.80.0

Bumps [dtolnay/rust-toolchain](https://github.com/dtolnay/rust-toolchain) from 1.65.0 to 1.80.0.
- [Release notes](https://github.com/dtolnay/rust-toolchain/releases)
- [Commits](dtolnay/rust-toolchain@1.65.0...1.80.0)

---
updated-dependencies:
- dependency-name: dtolnay/rust-toolchain
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/ssh-key.yml

@@ -54,7 +54,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@nightly
       - run: cargo +nightly update -Z minimal-versions
-      - uses: dtolnay/rust-toolchain@1.65.0
+      - uses: dtolnay/rust-toolchain@1.80.0
       - run: rm ../Cargo.toml
       - run: cargo test --all-features --release