feat: opt out of homebrew analytics by default

config/common/common-scripts.yml

@@ -3,3 +3,4 @@ scripts:
   - authselect.sh
   - setfilepermissions.sh
   - disablesealertpopups.sh
+  - homebrewanalyticsoptout.sh

config/scripts/homebrewanalyticsoptout.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+# Tell build process to exit if there are any errors.
+set -oue pipefail
+
+# https://docs.brew.sh/Analytics
+echo "
+
+HOMEBREW_NO_ANALYTICS=1
+
+" >> /usr/etc/environment