feat: Add SSL support for http api servers via bentoml serve

[sptowey]

What does this PR address?

Before submitting:

• [x] Does the Pull Request follow Conventional Commits specification naming? Here are GitHub's guide on how to create a pull request.
• [x] Does the code follow BentoML's code style, both make format and make lint script have passed (instructions)?
• [x] Did you read through contribution guidelines and follow development guidelines?
• [x] Did your changes require updates to the documentation? Have you updated those accordingly? Here are documentation guidelines and tips on writting docs.
• [ ] Did you write tests to cover your changes? N/A - cleared with Sean in Slack

Who can help review?

@ssheng @sauyon

Feel free to tag members/contributors who can help review your PR.

[pep8speaks]

Hello @sptowey, Thanks for updating this PR.

There are currently no PEP 8 issues detected in this PR. Cheers! :beers:

Comment last updated at 2022-08-11 19:51:29 UTC

[codecov[bot]]

Codecov Report

Merging #2886 (9fbcba4) into main (ce6342d) will increase coverage by 0.14%. The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #2886      +/-   ##
==========================================
+ Coverage   70.70%   70.85%   +0.14%     
==========================================
  Files         103      103              
  Lines        9302     9328      +26     
==========================================
+ Hits         6577     6609      +32     
+ Misses       2725     2719       -6     

Impacted Files	Coverage Δ
bentoml/_internal/configuration/containers.py	80.70% <ø> (ø)
bentoml/_internal/utils/docker.py	68.96% <0.00%> (-4.95%)	:arrow_down:
bentoml/_internal/yatai_client/__init__.py	25.00% <0.00%> (-0.51%)	:arrow_down:
bentoml/_internal/runner/runnable.py	93.75% <0.00%> (+1.56%)	:arrow_up:
bentoml/_internal/utils/analytics/usage_stats.py	96.42% <0.00%> (+18.81%)	:arrow_up:

[sptowey]

Thanks for the contribution. Make sure to run make format and make lint locally 🎉

Whoops, I ran the linter but missed the formatter!