Rumanhua: limit search keyword length to 12 (#9156)

* Rumanhua: limit search keyword length to 12

* Update build.gradle

src/zh/rumanhua/build.gradle

@@ -1,7 +1,7 @@
 ext {
     extName = 'Rumanhua'
     extClass = '.Rumanhua'
-    extVersionCode = 1
+    extVersionCode = 2
     isNsfw = true
 }
 

src/zh/rumanhua/src/eu/kanade/tachiyomi/extension/zh/rumanhua/Rumanhua.kt

@@ -228,7 +228,7 @@ class Rumanhua : HttpSource(), ConfigurableSource {
         val urlBuilder = baseUrl.toHttpUrl().newBuilder()
 
         if (query != "" && !query.contains("-")) {
-            val body = FormBody.Builder().add("k", query).build()
+            val body = FormBody.Builder().add("k", query.take(12)).build()
             return POST(
                 urlBuilder.encodedPath("/s").build().toString(),
                 headers,