[eas-cli] Adds channels to build profiles on eas update:configure

[jonsamp]

Checklist

• I've added an entry to CHANGELOG.md if necessary. You can comment this pull request with /changelog-entry [breaking-change|new-feature|bug-fix|chore] [message] and CHANGELOG.md will be updated automatically.

Why

To make EAS Update easier to set up, we are adding channel properties to build profiles when running eas update:configure.

The logic is:

• If eas.json is present:
  • if there is not pre-existing channel or release channel, set a channel named after the profile name
  • else do nothing (leave as is)
• else warn that the developer may need to run eas build:configure, then re-run eas update:configure to set everything up.

In addition, I updated the "Next steps" text, so there's actionable items after running eas update:configure.

Test Plan

Run easd update:configure in a project. Check:

• that projects with channels in build profiles are not overwritten
• that projects with release channels in build profiles are not overwritten
• that projects get a channel when none is specified after running eas update:configure
• that if eas.json is not present, you see a readable error message

[linear]

ENG-7030 Add channel to build profiles on eas update:configure

• if channel already exists, do not overwrite it (keep it)
• if releaseChannel is set, do not set channel
• if no channel/no releaseChannel, then write channel to each profile and name the value after the profile name.

[jonsamp]

/changelog-entry new-feature add channel configurations to eas.json during eas update:configure

[github-actions]

Size Change: +223 B (0%)

Total Size: 40.3 MB

Filename	Size	Change
./packages/eas-cli/dist/eas-linux-x64.tar.gz	40.3 MB	+223 B (0%)

_{compressed-size-action}

[codecov]

Codecov Report

Merging #1570 (cce63e9) into main (4e11707) will decrease coverage by 0.09%.
The diff coverage is 26.00%.

❗ Current head cce63e9 differs from pull request most recent head 86afa2e. Consider uploading reports for the commit 86afa2e to get more accurate results

@@            Coverage Diff             @@
##             main    #1570      +/-   ##
==========================================
- Coverage   51.24%   51.16%   -0.08%     
==========================================
  Files         461      461              
  Lines       16025    16065      +40     
  Branches     3158     3165       +7     
==========================================
+ Hits         8211     8218       +7     
- Misses       7799     7832      +33     
  Partials       15       15              

Impacted Files	Coverage Δ
packages/eas-cli/src/update/configure.ts	11.68% <12.00%> (-0.60%)	⬇️
packages/eas-cli/src/commands/update/configure.ts	33.34% <12.50%> (-19.60%)	⬇️
packages/eas-cli/src/commands/update/index.ts	16.52% <50.00%> (ø)
packages/eas-cli/src/commands/build/run.ts	24.10% <100.00%> (ø)
packages/eas-cli/src/run/android/emulator.ts	23.53% <100.00%> (ø)
packages/eas-json/src/accessor.ts	92.50% <100.00%> (+0.40%)	⬆️

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[dsokal]

Requesting changes mostly because this doesn't work with eas.json with JSON5.

[byCedric]

Besides the JSON5 part, seems good 👍