Proposed changes

This pull request addresses an issue with the lowcoder deployment using the current Helm charts, where the api-service pod restarts due to the readiness probe returning a 404 NOT_FOUND error. The error occurs as follows:

2024-07-30 00:10:55.579 ERROR o.l.api.framework.exception.GlobalExceptionHandler#lambda$doLog$8:155 GET /actuator/health [parallel-1]: org.springframework.web.server.ResponseStatusException: 404 NOT_FOUND

To resolve this issue, this PR updates the readiness and liveness probes to use the health check endpoint as documented in theLowcoder self-hosting setup guide.
This change ensures that the probes correctly check the health of the api-service and prevent unnecessary pod restarts.
Since health check endpoint was introduced in v2.4.1, previous lowcoder versions will not work.

Types of changes

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• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
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• Lint and unit tests pass locally with my changes
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