Add sagemaker support

[coveralls]

Pull Request Test Coverage Report for Build 548b29ac-eb90-42e0-8586-71334157713d

• 46 of 96 (47.92%) changed or added relevant lines in 11 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.02%) to 60.487%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
wandb/internal/sender.py	0	2	0.0%
wandb/lib/apikey.py	7	11	63.64%
wandb/integration/sagemaker/config.py	8	18	44.44%
wandb/sdk/wandb_init.py	5	15	33.33%
wandb/integration/sagemaker/auth.py	6	17	35.29%
wandb/integration/sagemaker/resources.py	5	18	27.78%
<!--	Total:	46	96	47.92%	-->

Files with Coverage Reduction	New Missed Lines	%
wandb/internal/sender.py	1	71.34%
<!--	Total:	1		-->

Totals
Change from base Build 890fe244-1790-4a23-a755-58ccc3f256bb:	-0.02%
Covered Lines:	12358
Relevant Lines:	20431

---

💛 - Coveralls