feature(eas-cli): add worker --json support for 3rd parties and custom tooling

[byCedric]

Why

With eas worker --json, we can integrate with other tooling (such as expo-github-action). This adds support for exactly that.

How

• Swapped the beta warning from Log.warn to console.warn, avoiding polluting the JSON output
• Added --json only output to eas worker --json command

Test Plan

eas worker --json --non-interactive

eas worker --alias test-json --json --non-interactive

eas worker --prod --json --non-interactive

eas worker --prod --alias test-json --json --non-interactive

[github-actions]

Size Change: +2.17 kB (0%)

Total Size: 52.9 MB

Filename	Size	Change
./packages/eas-cli/dist/eas-linux-x64.tar.gz	52.9 MB	+2.17 kB (0%)

_{compressed-size-action}

[codecov]

Codecov Report

Attention: Patch coverage is 5.00000% with 19 lines in your changes missing coverage. Please review.

Project coverage is 52.21%. Comparing base (66ce64e) to head (904c15a).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
packages/eas-cli/src/commands/worker/deploy.ts	5.00%	14 Missing and 5 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2561      +/-   ##
==========================================
- Coverage   52.23%   52.21%   -0.01%     
==========================================
  Files         557      557              
  Lines       21013    21021       +8     
  Branches     4294     4300       +6     
==========================================
+ Hits        10974    10975       +1     
- Misses       9174     9179       +5     
- Partials      865      867       +2     

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[kadikraman]

Nice 💯

[github-actions]

✅ Thank you for adding the changelog entry!