Update honggfuzz to 2.5 (#229)

fuzzing/repositories.bzl

diff --git a/fuzzing/repositories.bzl b/fuzzing/repositories.bzl
index 04cd266..b823967 100644
--- a/fuzzing/repositories.bzl
+++ b/fuzzing/repositories.bzl
@@ -73,9 +73,9 @@
             http_archive,
             name = "honggfuzz",
             build_file = "@rules_fuzzing//:honggfuzz.BUILD",
-            sha256 = "a6f8040ea62e0f630737f66dce46fb1b86140f118957cb5e3754a764de7a770a",
-            url = "https://github.com/google/honggfuzz/archive/e0670137531242d66c9cf8a6dee677c055a8aacb.zip",
-            strip_prefix = "honggfuzz-e0670137531242d66c9cf8a6dee677c055a8aacb",
+            sha256 = "6b18ba13bc1f36b7b950c72d80f19ea67fbadc0ac0bb297ec89ad91f2eaa423e",
+            url = "https://github.com/google/honggfuzz/archive/2.5.zip",
+            strip_prefix = "honggfuzz-2.5",
         )
 
     if jazzer: