add contributor

Author: gabeseltzer

CHANGELOG.md

@@ -8,6 +8,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 
 ### Added
 
+- Adds auto-squashing of fixup commits to interactive rebases ([#2949](https://github.com/gitkraken/vscode-gitlens/issues/2959)) — thanks to [PR #4109](https://github.com/gitkraken/vscode-gitlens/pull/4109) by Gabriel Seltzer [@gabeseltzer](https://github.com/gabeseltzer)
 - Adds AI model status and model switcher to the _Home_ view ([#4064](https://github.com/gitkraken/vscode-gitlens/issues/4064))
 - Adds Anthropic Claude 3.7 Sonnet model for GitLens' AI features ([#4101](https://github.com/gitkraken/vscode-gitlens/issues/4101))
 - Adds Google Gemini 2.0 Flash-Lite model for GitLens' AI features ([#4104](https://github.com/gitkraken/vscode-gitlens/issues/4104))

README.md

@@ -435,6 +435,7 @@ A big thanks to the people that have contributed to this project 🙏❤️:
 - Jean Pierre ([@jeanp413](https://github.com/jeanp413)) — [contributions](https://github.com/gitkraken/vscode-gitlens/commits?author=jeanp413)
 - Dawn Hwang ([@hwangh95](https://github.com/hwangh95)) — [contributions](https://github.com/gitkraken/vscode-gitlens/commits?author=hwangh95)
 - Emmanuel Ferdman ([@emmanuel-ferdman](https://github.com/emmanuel-ferdman)) — [contributions](https://github.com/gitkraken/vscode-gitlens/commits?author=emmanuel-ferdman)
+- Gabriel Seltzer ([@gabeseltzer](https://github.com/gabeseltzer)) — [contributions](https://github.com/gitkraken/vscode-gitlens/commits?author=gabeseltzer)
 
 Also special thanks to the people that have provided support, testing, brainstorming, etc: