Sign in with Apple - add and update auth

[letsbelopez]

Description of changes

Updated the --headless add and update auth flow to take Sign in with Apple in the headless payload and update the Cognito user pool.

Issue #, if available

Description of how you validated changes

I use a test web project and passed in the new SIWA headless payloads with the add and update commands:
cat MyAuthTemplate.addauth.json | jq -c '.' | amplify add auth --headless

I verified the changes in Cognito console.

Checklist

• PR description included
• yarn test passes
• Tests are changed or added
• Relevant documentation is changed or added (and PR referenced) The relevant headless documentation points to the headless schema package, which is updated in the PR.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

Merging #7265 (68fe947) into master (d28dd1c) will decrease coverage by 0.07%.
The diff coverage is 1.92%.

@@            Coverage Diff             @@
##           master    #7265      +/-   ##
==========================================
- Coverage   52.32%   52.24%   -0.08%     
==========================================
  Files         499      499              
  Lines       25546    25585      +39     
  Branches     5006     5014       +8     
==========================================
  Hits        13367    13367              
- Misses      11230    11261      +31     
- Partials      949      957       +8     

Impacted Files	Coverage Δ
...ider-utils/awscloudformation/assets/string-maps.js	85.71% <ø> (ø)
.../src/provider-utils/awscloudformation/constants.ts	100.00% <ø> (ø)
...auth/src/provider-utils/awscloudformation/index.js	4.34% <0.00%> (-0.40%)	⬇️
...udformation/service-walkthroughs/auth-questions.js	3.37% <0.00%> (-0.11%)	⬇️
...s/awscloudformation/utils/auth-request-adaptors.ts	40.95% <0.00%> (-2.05%)	⬇️
...gory-auth/src/provider-utils/supported-services.ts	100.00% <ø> (ø)
...c/provider-utils/awscloudformation/import/index.ts	5.01% <11.11%> (-0.08%)	⬇️

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[edwardfoyle]

One small nit, but LGTM

[SwaySway]

code lgtm - can you also add some tests to verify the add auth with siwa and headless pull with siwa works as expected?

[lgtm-com]

This pull request introduces 1 alert when merging d522c14 into 5c918be - view on LGTM.com

new alerts:

• 1 for Incomplete URL substring sanitization

[lgtm-com]

This pull request introduces 1 alert when merging bbb18ad into 5c918be - view on LGTM.com

new alerts:

• 1 for Incomplete URL substring sanitization

[lgtm-com]

This pull request introduces 1 alert when merging 08eeba9 into d28dd1c - view on LGTM.com

new alerts:

• 1 for Incomplete URL substring sanitization

[SwaySway]

LGTM

[lgtm-com]

This pull request introduces 1 alert when merging 68fe947 into d28dd1c - view on LGTM.com

new alerts:

• 1 for Incomplete URL substring sanitization

[lgtm-com]

This pull request introduces 1 alert when merging 2a58958 into d28dd1c - view on LGTM.com

new alerts:

• 1 for Incomplete URL substring sanitization

[github-actions]

👋 Hi, this pull request was referenced in the v4.51.0 release!

Check out the release notes here https://github.com/aws-amplify/amplify-cli/releases/tag/v4.51.0.