Add Expo plugin with expo and eas CLI support

[CodeByZach]

Overview

Adds a shell plugin for Expo, supporting both the expo and eas CLIs. Authentication is handled via the EXPO_TOKEN environment variable using access tokens generated from the Expo dashboard.

Type of change

• Created a new plugin
• Improved an existing plugin
• Fixed a bug in an existing plugin
• Improved contributor utilities or experience

Related Issue(s)

• Resolves: #
• Relates: #

How To Test

1. Generate an access token at https://expo.dev/accounts/[account]/settings/access-tokens
2. Build the plugin locally: make expo/build
3. Initialize: op plugin init expo
4. Test authentication: expo whoami

Changelog

Authenticate the Expo and EAS CLIs using 1Password Shell Plugins.

[CodeByZach]

Friendly follow up
@kmk142789
@edif2008
@Marton6
@volodymyrZotov
@SimonBarendse

[zachary-onix]

Kindly following up
@AndyTitu
@edif2008
@volodymyrZotov

[zachary-onix]

@scottisloud

[scottisloud]

Thanks for your patience on this one — sorry it's taken a while to get back to you.

I've reviewed the Expo plugin and it looks ready to merge. EXPO_TOKEN is the right env var for both expo and eas per Expo's programmatic access docs, the auth gating on both executables is appropriate, and the provisioner/importer tests are in good shape.

Approved — I'll merge once you've rebased onto current main and CI is green. Thanks, @CodeByZach.

[github-actions]

⚠️ This PR contains unsigned commits. To get your PR merged, please sign those commits (git rebase --exec 'git commit -S --amend --no-edit -n' @{upstream}) and force push them to this branch (git push --force-with-lease).

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[scottisloud]

Thanks for bringing the PR up to date! LGTM!

Keep an eye out for this to be included in a future release of the 1Password CLI. Thanks again for your contribution @CodeByZach!