v2.7.22

What's Changed

• fix: scope fallback credentials to the primary provider (c0a5a1f)
• google_calendar: let create/update/delete ask Google to email the guests (send_updates) (767e15c)
• voice: a greeting block with blank text/instructions means no greeting (98542e6)

Full Changelog: v2.7.21...v2.7.22