feat: update dashboard to v0.5.1

[ZonaHex]

I hereby agree to the terms of the GreptimeDB CLA.

Refer to a related PR or issue link (optional)

What's changed and what's your intention?

AS TITLE

https://github.com/GreptimeTeam/dashboard/releases/tag/v0.5.1

Checklist

• [ ] I have written the necessary rustdoc comments.
• [ ] I have added the necessary unit tests and integration tests.
• [x] This PR does not require documentation updates.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 85.14%. Comparing base (cc2f7ef) to head (8c7d79c).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #4171 +/- ## ========================================== + Coverage 85.12% 85.14% +0.01% ========================================== Files 1020 1020 Lines 179635 179635 ========================================== + Hits 152920 152952 +32 + Misses 26715 26683 -32 ```