chore: upgrade deps to prep for 0.2.0-rc1 release

[kentbull]

This does a few things:

1. bumps version to 0.3.0 for the next release.
2. Upgrades to KERI 1.2.2 (only had to change the getFelItemPreIter return tuple)
3. Adds a smaple KERIA config at scripts/keri/cf/keria.json with sample tock configuration.
4. Updates all dependencies to the latest versions in PyPi.
5. Uses specific versions in setup.py so builds are strictly repeatable.
6. adds a little more project metadata

[codecov]

Codecov Report

Attention: Patch coverage is 28.57143% with 5 lines in your changes missing coverage. Please review.

Project coverage is 93.71%. Comparing base (fa3cb0f) to head (ab20766).
Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
setup.py	0.00%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #348      +/-   ##
==========================================
- Coverage   93.77%   93.71%   -0.06%     
==========================================
  Files          37       37              
  Lines        8288     8293       +5     
==========================================
  Hits         7772     7772              
- Misses        516      521       +5     

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[iFergal]

@kentbull OK, this will supersede #345 - thanks for the extra changes.

However, we haven't released 0.2.0 yet - we're still on dev tags. Hence, I think this PR should upgrade to 0.2.0-rc1 and create a release branch. And then a separate PR can upgrade to 0.3.0-dev0.

[kentbull]

@iFergal sounds good to me, it's now changed to 0.2.0-rc1. I also updated versions in the build pipeline and added the most recent Alpine image.

To slightly optimize image size I swapped out alpine-sdk for gcc. Only the gcc dependency is needed in order to properly link libsodium. If it weren't for linking libsodium then we wouldn't need gcc, which was the entire reason alpine-sdk was included.

[iFergal]

LGTM. Not sure if you're still going to update any docs on the env vs config file but not critical.

[2byrds]

LGTM

[kentbull]

Yes, I'll update the docs. Looks like I need to fix merge conflicts anyway.

Thanks for the approval @2byrds

[kentbull]

@iFergal see the docs I added in the PR. You can cd docs/ && make html && make open to view the docs. I changed the theme to the ReadTheDocs theme which is nice on the eyes.

[iFergal]

LGTM!