golang/oauth2: add client_id to support Microsoft Entra ID in int128/kubelogin

[markush81]

golang/oauth2: add client_id to support Microsoft Entra ID in int128/kubelogin

Fixes golang/oauth2 #734
Afterwards fixes int128/kubelogin int128/kubelogin#536

Using OIDC int128/kubelogin with Entra ID leads to errors in several cases, because Entra ID expectsclient_id to be set.

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Patch Set 1:

(1 comment)

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