workaround dev deps adding unwanted features

Author: zebp

.github/workflows/ci.yml

@@ -72,7 +72,9 @@ jobs:
         with:
           path: target
           key: clippy-target-${{ runner.os }}-${{ steps.rust-version.outputs.version }}-${{ hashFiles('Cargo.lock') }}y
-      - run: cargo check --target wasm32-unknown-unknown --manifest-path tokio-postgres/Cargo.toml --no-default-features
+      - run: |
+        sed -i 's/\[dev-dependencies]/[ignore-dependencies]/g' tokio-postgres/Cargo.toml
+        cargo check --target wasm32-unknown-unknown --manifest-path tokio-postgres/Cargo.toml --no-default-features
 
   test:
     name: test