fix(build): export types for esm

[mirceanis]

and bump dependencies

[codecov[bot]]

Codecov Report

Base: 84.56% // Head: 84.56% // No change to project coverage :thumbsup:

Coverage data is based on head (f6a5299) compared to base (24b23ac). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #106 +/- ## ======================================= Coverage 84.56% 84.56% ======================================= Files 1 1 Lines 162 162 Branches 59 60 +1 ======================================= Hits 137 137 Misses 25 25 ``` | [Impacted Files](https://codecov.io/gh/uport-project/ethr-did/pull/106?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=uport-project) | Coverage Δ | | |---|---|---| | [src/index.ts](https://codecov.io/gh/uport-project/ethr-did/pull/106/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=uport-project#diff-c3JjL2luZGV4LnRz) | `84.56% <100.00%> (ø)` | | 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=uport-project). 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=uport-project)

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[uport-automation-bot]

:tada: This PR is included in version 2.3.4 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: