Lint fixes for commandargs packages

...shell-authorized-principals-check/command/command_test.go

cmd/gitlab-shell/command/command.go

cmd/gitlab-shell/command/command_test.go

...nal/command/authorizedprincipals/authorized_principals.go

...ommand/authorizedprincipals/authorized_principals_test.go

internal/command/commandargs/authorized_keys.go

internal/command/commandargs/authorized_principals.go

internal/command/commandargs/command_args.go

internal/command/commandargs/shell.go

internal/command/discover/discover_test.go

internal/command/lfsauthenticate/lfsauthenticate.go

internal/command/lfsauthenticate/lfsauthenticate_test.go

internal/command/lfstransfer/lfstransfer.go

internal/command/lfstransfer/lfstransfer_test.go

internal/command/personalaccesstoken/personalaccesstoken.go

...l/command/personalaccesstoken/personalaccesstoken_test.go

internal/command/receivepack/gitalycall_test.go

internal/command/receivepack/receivepack.go

internal/command/receivepack/receivepack_test.go

...rnal/command/shared/accessverifier/accessverifier_test.go