Bump gson from 1.7.2-SNAPSHOT to 2.8.9 in /gson-master/metrics#7

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dependabot/maven/gson-master/metrics/com.google.code.gson-gson-2.8.9Jahir-bot/Android:dependabot/maven/gson-master/metrics/com.google.code.gson-gson-2.8.9Copy head branch name to clipboard