fix descope provider name in readme #67

Job	Run time
comment-notification	0s
lint / lint	2m 2s
prerequisites / prerequisites	3m 5s
build_provider / Build linux-amd64	1m 42s
build_provider / Build linux-arm64	1m 58s
build_sdk / build_sdk (nodejs)	1m 47s
build_provider / Build darwin-amd64	2m 16s
build_sdk / build_sdk (python)	1m 15s
build_provider / Build darwin-arm64	1m 57s
build_sdk / build_sdk (dotnet)	1m 42s
build_provider / Build windows-amd64	1m 57s
build_sdk / build_sdk (go)	1m 34s
test	0s
sentinel	0s
	21m 15s

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