[Addon] upgrade velaux to 1.5.4

[chivalryq]

Signed-off-by: qiaozp [email protected]

Description of your changes

How has this code been tested?

Checklist

I have:

• Title of the PR starts with type (e.g. [Addon] , [example] or [Doc]).
• Updated/Added any relevant documentation and examples.
• New addon should be put in experimental.
• Update addon should modify the version in metadata.yaml to generate a new version.

Verified Addon Contribution

I have:

• A new addon added in this repo should be put in as an experimental one unless you have test for a long time in your product environment and be approved by most maintainers.

• An experimental addon must meet these conditions to be promoted as a verified one.

  • This addon must be tested by addon's e2e-test to guarantee this addon can be enabled successfully.

  • This addon must have some basic but necessary information.

    • An accessible icon url and source url defined in addon's metadata.yaml.

    • A detail introduction include a basic example about how to use and what's the benefit of this addon in README.md.

    • Also provide an introduction in KubeVela documentation.

    • It's more likely to be accepted if useful examples provided in example dir.