detect/analyzer: Support u8 types

Issue: 6359

Support JSON output of u8 types

rust/src/detect/tojson/mod.rs

@@ -73,6 +73,13 @@ where
     Ok(())
 }
 
+#[no_mangle]
+pub unsafe extern "C" fn SCDetectU8ToJson(
+    js: &mut JsonBuilder, du: &DetectUintData<u8>,
+) -> bool {
+    return detect_uint_to_json(js, du).is_ok();
+}
+
 #[no_mangle]
 pub unsafe extern "C" fn SCDetectU16ToJson(
     js: &mut JsonBuilder, du: &DetectUintData<u16>,