improv: add alias brew for homebrew

Author: chrisgrieser

.github/caches/devdocs-keyword-slug-map.json

@@ -77,7 +77,7 @@
   "haproxy": "haproxy~3.0",
   "haskell": "haskell~9",
   "haxe": "haxe",
-  "homebrew": "homebrew",
+  "brew": "homebrew",
   "html": "html",
   "htmx": "htmx",
   "http": "http",