fix flatbuf (again)

Author: lidavidm

.github/workflows/rc.yml

@@ -262,8 +262,9 @@ jobs:
           brew uninstall protobuf
 
           # We need Flatbuffers 24, not the latest version
-          brew uninstall flatbuffers || :
-          brew install flatbuffers@24.3.6 || :
+          # Homebrew does not offer older versions, so remove the Homebrew
+          # package and rely on Arrow using a bundled version instead
+          brew uninstall flatbuffers
 
           brew bundle --file=Brewfile
       - name: Prepare ccache