Add a clippy CI check

.github/workflows/clippy-check.yml

@@ -0,0 +1,29 @@
+on:
+  workflow_call:
+  workflow_dispatch:
+
+  push:
+    branches:
+      - main
+      - refs/tags/*
+  pull_request:
+    branches:
+      - '*'  # must quote since "*" is a YAML reserved character; we want a string
+
+concurrency:
+  group: ${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+name: Clippy check
+
+# Make sure CI fails on all warnings, including Clippy lints
+env:
+  RUSTFLAGS: "-Dwarnings"
+
+jobs:
+  clippy_check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run Clippy
+        run: cargo clippy --all-targets --all-features