feat: support workload identity auth for Azure #932

Job	Run time
build_single_feature (services-aliyun)	22s
build_single_feature (services-aws)	27s
build_single_feature (services-azblob)	21s
build_under_wasm	35s
build_all_features (ubuntu-latest)	40s
build_single_feature (services-google)	33s
build (ubuntu-latest)	36s
build_all_features (macos-11)	1m 45s
build_single_feature (services-huaweicloud)	36s
build (macos-11)	1m 37s
build_all_features (windows-latest)	1m 52s
check	10s
build_single_feature (services-oracle)	27s
build (windows-latest)	2m 3s
build_single_feature (services-tencent)	22s
unit	1m 7s
test_gcs_web_identify	0s
test_aws_web_identity	0s
test_tencent_cloud_web_identify	0s
	13m 33s

Provide feedback