[github actions] Update build workflow to not run brew as root for macOS
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 819c085..ac748a7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,7 @@
           if test -x "`which port`"; then
             sudo port install libtool autoconf automake cython
           else
-            sudo brew install libtool autoconf automake cython
+            brew install libtool autoconf automake cython
           fi
         else
           echo "$RUNNER_OS not supported"