remove extraeous "brew upgrade"

jcupitt · jcupitt · commit cc04449dc5d4 · 2021-04-12T20:40:00.000+01:00
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -62,7 +62,6 @@ jobs:
         if: contains(matrix.os, 'macos')
         run: |
           brew update 
-          brew upgrade
           brew install
             autoconf automake libtool
             gtk-doc gobject-introspection
