bench: add benchmarks for all cksum algorithms

- Add benchmarks for all 17 SUPPORTED_ALGORITHMS
- Add cksum to CI benchmarks workflow
- Use macro to reduce code duplication
- Follow existing hashsum benchmark patterns

Addresses feedback from PR #9064

Author: naoNao89

src/uu/cksum/benches/cksum_bench.rs

@@ -7,6 +7,43 @@ use divan::{Bencher, black_box};
 use uu_cksum::uumain;
 use uucore::benchmark::{run_util_function, setup_test_file, text_data};
 
+// Macro to generate benchmarks for each algorithm
+macro_rules! bench_algorithm {
+    ($algo_name:ident, $algo_str:expr) => {
+        #[divan::bench]
+        fn $algo_name(bencher: Bencher) {
+            let data = text_data::generate_by_size(10, 80);
+            let file_path = setup_test_file(&data);
+
+            bencher.bench(|| {
+                black_box(run_util_function(
+                    uumain,
+                    &["--algorithm", $algo_str, file_path.to_str().unwrap()],
+                ));
+            });
+        }
+    };
+}
+
+// Generate benchmarks for all supported algorithms
+bench_algorithm!(cksum_sysv, "sysv");
+bench_algorithm!(cksum_bsd, "bsd");
+bench_algorithm!(cksum_crc, "crc");
+bench_algorithm!(cksum_crc32b, "crc32b");
+bench_algorithm!(cksum_md5, "md5");
+bench_algorithm!(cksum_sha1, "sha1");
+bench_algorithm!(cksum_sha2, "sha2");
+bench_algorithm!(cksum_sha3, "sha3");
+bench_algorithm!(cksum_blake2b, "blake2b");
+bench_algorithm!(cksum_sm3, "sm3");
+bench_algorithm!(cksum_sha224, "sha224");
+bench_algorithm!(cksum_sha256, "sha256");
+bench_algorithm!(cksum_sha384, "sha384");
+bench_algorithm!(cksum_sha512, "sha512");
+bench_algorithm!(cksum_blake3, "blake3");
+bench_algorithm!(cksum_shake128, "shake128");
+bench_algorithm!(cksum_shake256, "shake256");
+
 /// Benchmark cksum with default CRC algorithm
 #[divan::bench]
 fn cksum_default(bencher: Bencher) {