okta_sdk/fix _embedded field type mismatch

[manjunathsc]

Summary

Fixes #

Type of PR

• Bug Fix (non-breaking fixes to existing functionality)
• New Feature (non-breaking changes that add new functionality)
• Documentation update
• Test Updates
• Other (Please describe the type)

Test Information

• My PR required test updates

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• I have submitted a CLA for this PR
• Each commit message explains what the commit does
• I have updated documentation to explain what my PR does
• My code is covered by tests if required
• I ran make fmt on my code
• I did not edit any automatically generated files

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