[TT-11247] Adds customization for liveness and readiness probes

[vanny96]

Description

Allows for customization of livenessProbe and readinessProbe

Related Issue

TykTechnologies/tyk#6674

Motivation and Context

This allows teams to specify custom liveness and readiness probes.
In our team we want for a pod to be considered unhealthy if the response of the /health endpoint is not pass. In order to do that, we need to be able to customise the various probes.

Test Coverage For This Change

Tested trough usage of helm template

Screenshots (if appropriate)

Types of changes

• Bug fix (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 change)
• Refactoring or add test (improvements in base code or adds test coverage to functionality)
• Documentation updates or improvements.

Checklist

• Make sure you are requesting to pull a topic/feature/bugfix branch (right side). If PRing from your fork, don't come from your master!
• Make sure you are making a pull request against our master branch (left side). Also, it would be best if you started your change off our latest master.
• My change requires a change to the documentation.
  • I have manually updated the README(s)/documentation accordingly.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[buraksekili]

thanks @vanny96 for the contribution! Overall looks good to me! I just left a minor comment but besides that, looks great.

[buraksekili]

lgtm! Thank you @vanny96 for your collaboration and great contribution!
The PR will be tested by our QA team and merged it once the testing process is completed

[bojantyk]

hey @vanny96 @buraksekili can we fix lint errors in this PR before we merge it ?