OAuth client MUST not be used when making requests to external hosts

cmd/infohub/main.go

@@ -85,7 +85,7 @@ func main() {
 	oauthCtx := context.WithValue(context.Background(), oauth2.HTTPClient, httpClient)
 	oauthClient := newOAuth2Client(oauthCtx, cfg.OAuth.ClientID, cfg.OAuth.ClientSecret, cfg.OAuth.TokenURL)
 
-	credentials := credential.New(cfg.Credential.IssuerURI, oauthClient)
+	credentials := credential.New(cfg.Credential.IssuerURI, httpClient)
 
 	// create policy client
 	policy := policy.New(cfg.Policy.Addr, policy.WithHTTPClient(oauthClient))