(experiment) brew is too slow

.travis.yml

@@ -1,24 +1,25 @@
 jobs:
   include:
     - os: linux
-      sudo: required
       env: BUILDARCH=x64
       dist: trusty
     - os: linux
-      sudo: required
       env: BUILDARCH=arm64
       dist: trusty
     - os: linux
-      sudo: required
       env: BUILDARCH=arm
       dist: trusty
     - os: osx
       osx_image: xcode12
+      env: OSX_INSTALL_DEPS=1
+    - os: osx
+      osx_image: xcode12
+      env: OSX_BUILD=1
 
 language: node_js
 node_js: "12.14.1"
 
-before_install:
+install:
   - curl -o- -L https://yarnpkg.com/install.sh | bash
   - export PATH="$HOME/.yarn/bin:$PATH"
   - . install_deps.sh

install_deps.sh

@@ -1,7 +1,9 @@
 #!/bin/bash
 
 if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
-  brew install jq zip
+  curl -Lo $HOME/bin/jq --create-dirs https://github.com/stedolan/jq/releases/download/jq-1.6/jq-osx-amd64
+  chmod +x $HOME/bin/jq
+  export PATH="$HOME/bin:$PATH"
 else
   sudo apt-get update
   sudo apt-get install -y fakeroot jq