fix(goodies): reduce gitcheatsheet header image size with maxHeight 300

Agent-Logs-Url: https://github.com/TechWatching/techwatching.dev/sessions/2177d857-3902-4680-8f29-91f7a18da41e

Co-authored-by: TechWatching <15186176+TechWatching@users.noreply.github.com>

Author: Copilot

content/3.goodies/1.gitcheatsheet.md

@@ -4,6 +4,7 @@ lead: Useful git commands
 description: Another git cheat sheet like you'll find plenty of, but this one doesn't list basic commands. Instead it focuses on explaining which less-known git commands you will need depending on the situation you find yourself in. 
 image:
   src: /goodies/gitcheatsheet.webp
+  maxHeight: 300
 ---
 You can find many nice git cheat sheets everywhere on the web, but let's just quote GitHub's [git cheat sheet](https://github.github.com/training-kit/downloads/github-git-cheat-sheet.pdf) which provides you with most useful git commands. That is not my intent, I won't enumerate all basic commands everybody knows and uses everyday, but list some commands that I use less often and that I want to remind myself of, often because I can never remember their exact syntax.