Switch brew to use core formula #467 (#468)

Author: neilotoole

README.md

@@ -37,8 +37,10 @@ Find out more at [sq.io](https://sq.io).
 ### macOS
 
 ```shell
-brew install neilotoole/sq/sq
+brew install sq
 ```
+> [!IMPORTANT]
+> `sq` is now a [core brew formula](https://formulae.brew.sh/formula/sq#default). Previously, `sq` was available via `brew install neilotoole/sq/sq`. If you have installed `sq` this way, you should uninstall it (`brew uninstall neilotoole/sq/sq`) before installing the new formula via `brew install sq`.
 
 ### Linux
 

install.sh

@@ -171,7 +171,11 @@ if command_exists brew; then
   set -e
   printf "Using brew to install sq...\n\n"
 
-  brew install neilotoole/sq/sq
+  # sq is now a core brew formula ("brew install sq"). If it's already installed
+  # via the old neilotoole/sq tap, uninstall that first.
+  brew uninstall neilotoole/sq/sq 2> /dev/null || true
+
+  brew install sq
 
   printf "\n"
   sq version