chore(ci): Exclude benches from MSRV

While we need to be able to check correctness on our MSRV, performance
doesn't matter as much.

Author: epage

.github/workflows/ci.yml

@@ -64,7 +64,7 @@ jobs:
     - uses: Swatinem/rust-cache@v2
     - uses: taiki-e/install-action@cargo-hack
     - name: Default features
-      run: cargo hack check --feature-powerset --locked --rust-version --ignore-private --workspace --all-targets
+      run: cargo hack check --feature-powerset --locked --rust-version --ignore-private --workspace --lib --bins --tests --examples
   lockfile:
     runs-on: ubuntu-latest
     steps: