chore: Release 1.2.0

[onesignal-deploy]

Channels: Current

🚀 New Features

• feat: [SDK-5472] link to the test push on the dashboard in the verify report (feat: [SDK-5472] link to the test push on the dashboard in the verify report #63)

🐛 Bug Fixes

• fix: [SDK-5447] keep the echoed credential fields out of the upload response (fix: [SDK-5447] keep the echoed credential fields out of the upload response #57)
• fix: [SDK-5273] run every Python helper through the preflight interpreter (fix: [SDK-5273] run every Python helper through the preflight interpreter #56)
• fix: [SDK-5365] ship the Codex manifest in the directory bundle (fix: [SDK-5365] ship the Codex manifest in the directory bundle #55)
• fix: [SDK-5192] detect push credentials from non-secret fields (fix: [SDK-5192] detect push credentials from non-secret fields #54)