chore: prepare v2.11.1 release

Author: helizaga

CHANGELOG.md

@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com), and this
 
 ## [Unreleased]
 
+## [2.11.1] - 2026-09-14
+
 ### Changed
 
 - The README documents `--sparse`/`--no-sparse` under `git gtr new` and lists the Maintainers section in its table of contents.

bin/git-gtr

@@ -15,7 +15,7 @@ if [ -n "${GTR_DEBUG:-}" ]; then
 fi
 
 # Version
-GTR_VERSION="2.11.0"
+GTR_VERSION="2.11.1"
 
 # Find the script directory (resolve symlinks; allow env override)
 resolve_script_dir() {