pre-release Q2 items

[codecovdesign]

Following from last quarter discovery: https://github.com/codecov/engineering-team/issues/722#issuecomment-2059514780

This epic focuses on:

• https://github.com/codecov/engineering-team/issues/1537

  • ToDo: @katia-sentry mini-eng investigation

• https://github.com/codecov/engineering-team/issues/293

  • ToDo @Adal3n3 prepping for dev ready

• https://github.com/codecov/engineering-team/issues/1509

  • ToDo: @katia-sentry mini-eng investigation (config status)
  • ToDo: @codecovdesign / @rohan-at-sentry / finalize designs and scope
    • consider recent change for project coverage opt-in (section in "configuration")
  • ToDo: @Adal3n3 discovery: https://github.com/codecov/engineering-team/issues/1340 (discovery/flesh-out)

• https://github.com/codecov/engineering-team/issues/1497

  • cleanup shared area