Fix clippy errors, update deps

.github/workflows/github-actions-demo.yml

@@ -46,10 +46,10 @@ jobs:
       - name: Build the project
         run: perseus --wasm-opt-version version_118 deploy --verbose
       - name: Run clippy for server
-        run: RUSTFLAGS="--cfg=engine" cargo clippy --all -- -D warnings
+        run: RUSTFLAGS="--cfg=engine" cargo clippy --all --future-incompat-report -- -D warnings
         continue-on-error: true
       - name: Run clippy for frontend
-        run: RUSTFLAGS="--cfg=client" cargo clippy --all -- -D warnings
+        run: RUSTFLAGS="--cfg=client" cargo clippy --all --future-incompat-report -- -D warnings
         continue-on-error: true
       - name: Check for formatting issues
         run: cargo fmt --check