Update CircleCI config: add Rosetta installation step for macOS executor

Author: ferguss

.circleci/config.yml

@@ -25,6 +25,7 @@ jobs:
           steps:
             - go/install:
                 version: "1.18"
+            - run: /usr/sbin/softwareupdate --install-rosetta --agree-to-license
       - go/load-mod-cache
       - go/mod-download
       - go/save-mod-cache