Move "IRB history fix" changelog entry to bug fixes

It should not have been under Performance

Author: rwstauner

CHANGELOG.md

@@ -53,6 +53,7 @@ Bug fixes:
 * Fix `IO` line reading calls when using a multi-byte delimiter (`IO#{each,gets,readline,readlines,etc.}) (#2961, @vinistock, @nirvdrum).
 * Fix the exception type raised when type coercion raises a `NoMethodError` (#2903, @paracycle, @nirvdrum).
 * Fix `Method` and `Proc` `#parameters` method to return `_` parameter name without synthetic suffix when there are multiple `_` parameters (@paracycle).
+* Fixed errors in IRB when attempting to navigate beyond bounds in singleline mode (@rwstauner).
 
 Compatibility:
 
@@ -138,7 +139,6 @@ Performance:
 * `Process.pid` is now cached per process like `$$` (#2882, @horakivo)
 * Use the system `libyaml` for `psych` to improve warmup when parsing YAML (#2089, @eregon).
 * Fixed repeated deoptimizations for methods building an `Array` which is growing over multiple calls at a given call site (@eregon).
-* Fixed errors in IRB when attempting to navigate beyond bounds in singleline mode (@rwstauner).
 
 Changes: