Align aws-lc-sys v0.27.0 w/ AWS-LC v1.48.1

[justsmth]

Issues:

Addresses:

• Pregenerate bindings for riscv64 #714
• Prefixed BoringSSL symbols are re-exported when linked into a shared library #715

Description of changes:

• Pregenerate bindings for riscv64gc-unknown-linux-gnu.
• Align aws-lc-sys v0.27.0 w/ AWS-LC v1.48.1.
• Bump aws-lc-rs to v1.12.6.

Callout

Only first two commits have manual changes:

• a1c5d1f
• d2bbf58

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license and the ISC license.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.86%. Comparing base (c358484) to head (8513d7f).
Report is 180 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #720      +/-   ##
==========================================
- Coverage   95.80%   92.86%   -2.94%     
==========================================
  Files          61       70       +9     
  Lines        8143     9561    +1418     
  Branches        0     9561    +9561     
==========================================
+ Hits         7801     8879    +1078     
- Misses        342      413      +71     
- Partials        0      269     +269     

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[WillChilds-Klein]

I reviewed the 2 manual commits.