ci(workspace): cache cargo artifacts between runs

.github/workflows/ci.yml

@@ -23,6 +23,9 @@ jobs:
         with:
           components: clippy, rustfmt
 
+      - name: Cache cargo artifacts
+        uses: Swatinem/rust-cache@v2
+
       - name: Check Rust Formatting
         run: cargo fmt --all -- --check