[rules_score] supress flatbuffers compile time warnings

Author: hoe-jo

plantuml/parser/puml_serializer/src/fbs/BUILD

@@ -104,6 +104,7 @@ rust_library(
         "--allow=clippy::extra-unused-lifetimes",
         "--allow=clippy::missing-safety-doc",
         "--allow=clippy::needless-lifetimes",
+        "--allow=mismatched_lifetime_syntaxes",
     ],
     visibility = [
         "//plantuml/parser:__subpackages__",