Fix docs.rs onig_sys build error:

oniguruma/src/st.c:500:23: error: too many arguments to function 'func'; expected 0, have 3

Author: GuillaumeGomez

Cargo.lock

@@ -141,3 +141,8 @@ harness = false
 name = "cratesfyi"
 test = false
 doc = false
+
+[patch.crates-io.onig_sys]
+# Once new version (> 69.8.1) is released, we can remove this patch.
+git = "https://github.com/rust-onig/rust-onig"
+rev = "c4378abcbf30d58cf5f230c0d2e6375f2be05a47"