feat: run cargo-shear in CI

Author: SupernaviX

.github/workflows/run-tests-on-push-to-main.yml

@@ -20,12 +20,18 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Install Shear
+        run: cargo install cargo-shear
+
       - name: Run Format
         run: cargo fmt --all -- --check
 
       - name: Run Clippy
         run: cargo clippy --all-targets --all-features -- -D warnings
 
+      - name: Run Shear
+        run: cargo shear
+
       - name: Run Build
         run: cargo build --verbose