chore(version): bump Ottoman version to 2.3.0 for release

[ejscribner]

Release notes:

Fixed Issues

• Bumps couchbase dependency to 4.2.0

PLEASE READ: Important Configuration Change

• This release includes a major version bump to the Couchbase dependency, and with it a specific change to handling SSL/TLS connections:
  • If you were previously skipping certificate checking with the parameter ?ssl=no_verify in your connection string, you'll need to update it to ?tls_verify=none
  • More information can be found in this article

Full Changelog: https://github.com/couchbaselabs/node-ottoman/compare/v2.2.2...v2.3.0

[codecov[bot]]

Codecov Report

Base: 93.14% // Head: 93.14% // No change to project coverage :thumbsup:

Coverage data is based on head (49fc4d1) compared to base (cce729b). Patch has no changes to coverable lines.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #696 +/- ## ======================================= Coverage 93.14% 93.14% ======================================= Files 95 95 Lines 2655 2655 Branches 702 702 ======================================= Hits 2473 2473 Misses 182 182 ``` Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=couchbaselabs). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=couchbaselabs)

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