[eas-cli] resolve default environment automatically based on build configuration

[szdziedzic]

Why

https://exponent-internal.slack.com/archives/C06FK950085/p1729212611408479?thread_ts=1729186741.835629&cid=C06FK950085

How

Resolve the default (if not set in the build profile) environment to use for a build based on its configuration.

Store build -> production
Dev client -> development
Other (internal) -> preview

Test Plan

Test manually

[szdziedzic]

• [eas-cli] resolve default environment automatically based on build configuration #2644 👈
• [eas-cli] improve logs announcing loading of env variables #2643
• main

This stack of pull requests is managed by Graphite. Learn more about stacking.

Join @szdziedzic and the rest of your teammates on Graphite

[github-actions]

Size Change: +381 B (0%)

Total Size: 53 MB

Filename	Size	Change
./packages/eas-cli/dist/eas-linux-x64.tar.gz	53 MB	+381 B (0%)

_{compressed-size-action}

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 14 lines in your changes missing coverage. Please review.

Project coverage is 53.02%. Comparing base (214cff0) to head (36d7cb2).

Files with missing lines	Patch %	Lines
...as-cli/src/build/evaluateConfigWithEnvVarsAsync.ts	0.00%	14 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2644      +/-   ##
==========================================
- Coverage   53.05%   53.02%   -0.03%     
==========================================
  Files         566      566              
  Lines       21615    21628      +13     
  Branches     4236     4241       +5     
==========================================
  Hits        11466    11466              
- Misses      10119    10132      +13     
  Partials       30       30              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[github-actions]

CodeMention:

File Patterns	Mentions
**/*	@szdziedzic, @khamilowicz, @sjchmiela
packages/eas-cli/src/build/**	@szdziedzic, @khamilowicz, @sjchmiela

[github-actions]

❌ It looks like a changelog entry is missing for this PR. Add it manually to CHANGELOG.md.
⏩ If this PR doesn't require a changelog entry, such as if it's an internal change that doesn't affect the user experience, you can add the "no changelog" label to the PR.