[GR-19691] Move ChangeLog entries which were backported to 20.3

PullRequest: truffleruby/2133

Author: eregon

CHANGELOG.md

@@ -7,8 +7,6 @@ Bug fixes:
 
 * Fix error message when the method name is not a Symbol or String for `Kernel#respond_to?` (#2132, @ssnickolay)
 * Fixed setting of special variables in enumerators and enumerables (#1484).
-* Fix status and output when SystemExit is subclassed and raised (#2128)
-* Fix `String#{chomp, chomp!}` issue with invalid encoded strings (#2133).
 
 Compatibility:
 
@@ -42,6 +40,8 @@ Bug fixes:
 * Fixed constant/identifier detection in lexer for non-ASCII encodings (#2079, #2102, @ivoanjo).
 * Fixed parsing of `--jvm` as an application argument (#2108).
 * Fix `rb_rescue2` to ignore the end marker `(VALUE)0` (#2127, #2130).
+* Fix status and output when SystemExit is subclassed and raised (#2128)
+* Fix `String#{chomp, chomp!}` issue with invalid encoded strings (#2133).
 
 Compatibility: