Gutenberg: v15.7.x plugin upgrade

[gutenberg-plugin-upgrade-bot[bot]]

Previous upgrade: #
Release notes:

Install and activate

• [ ] Install and activate v15.7.0-rc.1 on edge (######-code)
• [ ] Install and activate v15.7.0 on edge (######-code)
• [ ] Activate v15.7.0 on production (######-code)
• [ ] Request v15.7.0 AT upgrade (######-p2)
• [ ] Install and activate v15.7.1 on edge (######-code)
• [ ] Activate v15.7.1 on production (######-code)
• [x] Request v15.7.1 AT upgrade (pcl4cA-2rH-p2)

Testing

• [ ] v15.7.0 Desktop viewport E2E
• [ ] v15.7.0 Mobile viewport E2E
• [ ] v15.7.0 WPCOM core (######-code)
• [ ] v15.7.1 Desktop viewport E2E
• [ ] v15.7.1 Mobile viewport E2E
• [ ] v15.7.1 WPCOM core (######-code)

Publish internal announcements

• [ ] Slack: #team-calypso
• [ ] Slack: #wpcom-happy-announce
• [ ] P2: wpcomhappy

Wrap-up

• [ ] Clean up unused releases
• [ ] Add log entry to the Gutenberg Upgrade Log (pcoGjb-g-p2)
• [ ] Open a new issue for the next upgrade, transfer remaining tasks, close this issue.

Blockers 🤷‍♀️

Other Issues 🐛

Issues transferred from previous release(s)

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cc @Automattic/gutenberg-upgrades @Automattic/cylon

[gutenberg-plugin-upgrade-bot[bot]]

Automated update: Added tasks for v15.7.1

[gutenberg-plugin-upgrade-bot[bot]]

Automated update: AT upgrade to v15.7.1 has been requested