fix: add mandatory scopes for OAuth2

Signed-off-by: Romain Beuque <556072+rbeuque74@users.noreply.github.com>

ovh/configuration.go

@@ -159,6 +159,7 @@ func (c *Client) loadConfig(endpointName string) error {
 			ClientID:     c.ClientID,
 			ClientSecret: c.ClientSecret,
 			TokenURL:     tokensURLs[c.endpoint],
+			Scopes:       []string{"all"},
 		}
 
 		c.oauth2TokenSource = conf.TokenSource(context.Background())