local_builds/codebuild_build.sh does not support the new sso session credentials

[nicolaevladescu]

Describe the bug
local_builds/codebuild_build.sh does not support the new sso session credentials.

The new sso sessions have sso_region, sso_start_url in the sessions stanza of ~/.aws/config not under the profile.

To Reproduce
Steps to reproduce the behavior:

1. Use SSM or SecretsManager items in your buildspec yaml

Expected behavior
Use [sso-session] stanzas from ~/.aws/config to authenticate to AWS and retrieve Secrets, etc.

Logs
build_1 | panic: profile "admin" is configured to use SSO but is missing required configuration: sso_region, sso_start_url

Platform

• OS: Mac x86

Additional context
Running custom docker image