fix: credential not needed to update,version and help

[dmicheneau]

Description of your changes

If you submit change in the provider code, please make sure to:

• If Needed add a changelog file
• Write or modify coverage tests
• Run make generate to ensure the doc was updated properly

How has this code been coverage and tested

go test -coverprofile=coverage.out ./cmd/... && go tool cover -func=coverage.out

PASS
coverage: 62.1% of statements
ok      github.com/orange-cloudavenue/cloudavenue-cli/cmd       88.197s coverage: 62.1% of statements
github.com/orange-cloudavenue/cloudavenue-cli/cmd/create.go:35:         init                    65.2%
github.com/orange-cloudavenue/cloudavenue-cli/cmd/del.go:39:            init                    100.0%
github.com/orange-cloudavenue/cloudavenue-cli/cmd/get.go:53:            init                    100.0%
github.com/orange-cloudavenue/cloudavenue-cli/cmd/root.go:68:           Execute                 42.9%
github.com/orange-cloudavenue/cloudavenue-cli/cmd/root.go:84:           NewRootCmd              100.0%
github.com/orange-cloudavenue/cloudavenue-cli/cmd/root.go:88:           timeTrack               100.0%
github.com/orange-cloudavenue/cloudavenue-cli/cmd/root.go:93:           init                    100.0%
github.com/orange-cloudavenue/cloudavenue-cli/cmd/root.go:100:          stringToTypeFormat      75.0%
github.com/orange-cloudavenue/cloudavenue-cli/cmd/root.go:112:          initConfig              45.0%
github.com/orange-cloudavenue/cloudavenue-cli/cmd/root.go:151:          initClient              71.4%
github.com/orange-cloudavenue/cloudavenue-cli/cmd/update.go:17:         init                    100.0%
github.com/orange-cloudavenue/cloudavenue-cli/cmd/version.go:5:         init                    100.0%
github.com/orange-cloudavenue/cloudavenue-cli/cmd/version.go:10:        versionCmd              100.0%
total:                                                                  (statements)            71.1%

[cloudavenue-bot]

Thank you for your contribution, but this PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR.
Note this PR might be rejected due to its size.