feat(sdk-coin-xlm): add accountConfig and authorizeTrustline support #3411

Job	Run time
Generate head API spec	6m 57s
Generate merge base API spec	7m 25s
Check specs identical	8s
Generate vacuum reports for API spec	0s
API Spec Check	6s
Check breaking changes	0s
Linter Override	0s
	14m 36s

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