feat: support workload identity auth for Azure #925

Job	Run time
build_under_wasm	42s
build (ubuntu-latest)	42s
build_all_features (ubuntu-latest)	39s
build (macos-11)	1m 29s
build_single_feature (services-aliyun)	23s
build_all_features (macos-11)	1m 41s
build (windows-latest)	1m 42s
build_all_features (windows-latest)	2m 11s
check	6s
build_single_feature (services-aws)	29s
build_single_feature (services-azblob)	20s
build_single_feature (services-google)	44s
test_aws_web_identity	0s
build_single_feature (services-huaweicloud)	20s
test_gcs_web_identify	0s
test_tencent_cloud_web_identify	0s
build_single_feature (services-oracle)	34s
unit	1m 4s
build_single_feature (services-tencent)	26s
	13m 32s

Provide feedback