fix: fixed cargo run command

.github/workflows/lint-and-test.yml

@@ -123,7 +123,7 @@ jobs:
       - name: Run books example
         run: cargo run --example books
       - name: Run programming books example
-        run: cargo run --example programmingbooks
+        run: cargo run --example programming_books
       - name: Run brands example
         run: cargo run --example brands
       - name: Run avocado-prices example