ci: test/lint w/ more features

* adds coverage for --all-features
* adds coverage for --no-default-features

Author: cpu

.github/workflows/rust.yml

@@ -33,6 +33,8 @@ jobs:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - run: cargo test
+      - run: cargo test --all-features
+      - run: cargo test --no-default-features
 
   fmt:
     name: Rustfmt
@@ -53,6 +55,8 @@ jobs:
         with:
           components: clippy
       - run: cargo clippy -- -D warnings
+      - run: cargo clippy --all-features -- -D warnings
+      - run: cargo clippy --no-default-features -- -D warnings
 
   doc:
     name: Build documentation