[WIP] feat(config-resolver): resolve hostname from variants

[trivikr]

Issue

Internal JS-2929

Description

Uses variants for getting region info

• resolveRegionConfig converts legacy pseudo regions to real regions, and sets isFipsReigon is required.
• getRegionInfo processes variants if ifFipsEndpoint or isDualstackEndpoint is set.

Testing

• Unit testing
• Functional testing

---

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov-commenter]

Codecov Report

Merging #2972 (9b1c2bb) into main (0dd68ef) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #2972      +/-   ##
==========================================
+ Coverage   58.70%   58.72%   +0.02%     
==========================================
  Files         566      566              
  Lines       30315    30330      +15     
  Branches     7460     7469       +9     
==========================================
+ Hits        17796    17811      +15     
  Misses      12519    12519              

Impacted Files	Coverage Δ
...resolver/src/regionInfo/getHostnameFromVariants.ts	100.00% <100.00%> (ø)
...es/config-resolver/src/regionInfo/getRegionInfo.ts	100.00% <100.00%> (ø)
...fig-resolver/src/regionInfo/getResolvedHostname.ts	100.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 0dd68ef...9b1c2bb. Read the comment docs.

[trivikr]

Superceded by #2980

[github-actions]

This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs and link to relevant comments in this thread.