fix(monitor-v2): settle all promises in osnap bot

[Reinis-FRP]

Motivation

Improve robustness of oSnap bot so that errors in one module do not affect processing of other modules.

Summary

Settles all promises on individual bot modules and errors each rejection separately.

Testing

Check a box to describe how you tested these changes and list the steps for reviewers to test.

• [ ] Ran end-to-end test, running the code as in production
• [ ] New unit tests created
• [ ] Existing tests adequate, no new tests required
• [ ] All existing tests pass
• [x] Untested

Issue(s)

Fixes #XXXX