ci: temporarily skip brew update due to CI flakiness (#1126)
ci: temporarily skip brew update due to CI flakiness (#1126)

Description: This is a temporary measure due to frequent CI failures occurring on `brew update`. If this continues to be an issue, we can explore retries, a backup source for dependencies, or other options.

Signed-off-by: Mike Schore <270e364e708f2af319f244c09ceba52a03dbd980@gmail.com>
envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile