Always run cargo clippy in CI (#1772)

It's now a required job before merge is allowed. Unfortunately GitHub now blocks any non-Rust PR, because they require cargo clippy but don't trigger it to run.

Solution is simple, just always run cargo clippy, so it can pass, so that merge is allowed.

.github/workflows/cargo-clippy.yml

@@ -9,12 +9,6 @@ on:
       - '**.rs'
       - .github/workflows/cargo-clippy.yml
   pull_request:
-    paths:
-      - '**/Cargo.toml'
-      - '**/Cargo.lock'
-      - '**/rust-toolchain.toml'
-      - '**.rs'
-      - .github/workflows/cargo-build.yml
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
   cancel-in-progress: true