Adds Philippe Antoine (Catena cyber) to credits (#1153)

diff --git a/CREDITS.TXT b/CREDITS.TXT
index 5418cc6..f57d312 100644
--- a/CREDITS.TXT
+++ b/CREDITS.TXT
@@ -66,4 +66,5 @@
 Koutheir Attouchi: Support for Windows CE.
 Fotis Loukos: TMS320C64x architecture.
 Wolfgang Schwotzer: M680X architecture.
+Philippe Antoine: Integration with oss-fuzz and various fixes.