Update release notes wrt #387

Author: cowtowncoder

release-notes/VERSION-2.x

@@ -19,6 +19,8 @@ Active Maintainers:
 #373: (yaml) Positive numbers with plus sign not quoted correctly with
   `ALWAYS_QUOTE_NUMBERS_AS_STRINGS`
  (requested by @dyadyaJora)
+#387: (toml) Stack overflow (50083) found by OSS-Fuzz
+ (contributed by @yawkat)
 #388: (yaml) Add `YAMLParser.Feature.PARSE_BOOLEAN_LIKE_WORDS_AS_STRINGS`
   to allow parsing "boolean" words as strings instead of booleans
  (contributed by Axel N)