Bump activesupport from 4.2.1 to 5.2.8.1 in /ch_2/rp_examples/rp_alerts#77

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dependabot/bundler/ch_2/rp_examples/rp_alerts/activesupport-5.2.8.1IconoclastLabs/rubymotion_cookbook:dependabot/bundler/ch_2/rp_examples/rp_alerts/activesupport-5.2.8.1Copy head branch name to clipboard