Really fix WSL/SSH detection for AuthWorkflow

[synfinatic]

Yeah, I goofed. 2.2.3 didn't fix it.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.55%. Comparing base (5d574a8) to head (db30d56).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1374      +/-   ##
==========================================
+ Coverage   88.54%   88.55%   +0.01%     
==========================================
  Files          54       54              
  Lines        3655     3657       +2     
==========================================
+ Hits         3236     3238       +2     
  Misses        289      289              
  Partials      130      130              

Flag	Coverage Δ
unittests	88.55% <100.00%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
internal/prompt/remote_host.go	100.00% <100.00%> (ø)
internal/sso/auth/awssso_auth.go	89.25% <100.00%> (ø)
internal/sso/settings.go	79.60% <100.00%> (+0.43%)	⬆️

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[Copilot]

Pull request overview

This PR corrects the logic that detects “remote host” environments (SSH/WSL) so the default OIDC AuthWorkflow selection behaves as documented, and bumps the release to v2.2.4 after the v2.2.3 fix proved insufficient.

Changes:

• Treat WSL and SSH as a single “remote host” signal (prompt.IsRemoteHost) and remove the separate WSL check at call sites.
• Default AuthWorkflow to device_code during settings load when running in a remote host environment and the setting is not configured.
• Bump version to 2.2.4 and document the fix in the changelog.

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
Makefile	Bumps PROJECT_VERSION to 2.2.4.
internal/sso/settings.go	Applies remote-host-aware defaulting for AuthWorkflow during settings load.
internal/sso/settings_test.go	Attempts to make settings tests independent of SSH/WSL env vars.
internal/sso/auth/awssso_auth.go	Simplifies workflow selection to rely on IsRemoteHost() only.
internal/prompt/remote_host.go	Consolidates SSH + WSL detection into IsRemoteHost() and removes IsWSL().
internal/prompt/remote_host_test.go	Updates tests to validate consolidated remote host detection.
cmd/aws-sso/setup_wizard_cmd.go	Updates wizard logic to use consolidated IsRemoteHost() check.
CHANGELOG.md	Adds v2.2.4 entry and updates “Unreleased” compare link.

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