TT-9741 Add containerSecurityContext

[zalbiraw]

Description

Currently containerSecurityContext is not configurable. This is required as k8s and openshift versions require some of these values to be set.

Related Issue

Motivation and Context

Test Coverage For This Change

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

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• My change requires a change to the documentation.
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• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[komalsukhani]

@zalbiraw I also wanted to know how to test this PR. Justing validating securityContext values on deployment or we need to test it on openshift?

[zalbiraw]

@komalsukhani yes verifying the values in the deployment is sufficient enough.