Update CHANGELOG.md

Author: varzager

CHANGELOG.md

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 # Changelog
 All notable changes to this project will be documented in this file.
 
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+## [2.1.15] - 27-06-2024
+### Fixed
+- `icu` - add support for nested icu parameters. key format example: `Hello, {numPersons, plural, =0 {No one.} =1 {Mr. {personName}} other {# persons}}`
+
 ## [2.1.4] - 29-01-2023
 ### Added
 - `icu` - add support for icu format. key format example: ` {numPersons, plural, =0 {no persons} =1 {one person} other {# persons}}`
- 
-## [2.1.15] - 27-06-2024
-### Added
-- `icu` - add support for nested icu parameters. key format example: `Hello, {numPersons, plural, =0 {No one.} =1 {Mr. {personName}} other {# persons}}`
+