Ban new library unwraps in CI

Fail library clippy runs when new unwrap calls are introduced so the
unwrap policy stays enforced without pulling tests, benches, or docs
into the restriction.

Co-Authored-By: HAL 9000
Signed-off-by: Elias Rohrer <dev@tnull.de>

Author: tnull

.github/workflows/rust.yml

@@ -90,6 +90,19 @@ jobs:
         run: |
           RUSTFLAGS="--cfg no_download --cfg cycle_tests" cargo test --features uniffi
 
+  linting:
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v6
+      - name: Install Rust and clippy
+        run: |
+          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile=minimal --default-toolchain stable
+          rustup component add clippy
+      - name: Ban `unwrap` in library code
+        run: |
+          cargo clippy --lib --verbose --color always -- -A warnings -D clippy::unwrap_used -A clippy::tabs_in_doc_comments
+          cargo clippy --lib --features uniffi --verbose --color always -- -A warnings -D clippy::unwrap_used -A clippy::tabs_in_doc_comments
+
   doc:
     name: Documentation
     runs-on: ubuntu-latest