Adapted bootstrap to be backwards compatible between old and new names

[andrei-tyk]

Description

We have renamed our "Tyk Enterprise Portal" chart to "Tyk Developer Portal". This PR aims to add the required changes to the environment variables to allow for the new changes and for backward compatibility.

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)

Checklist

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[buraksekili]

Thank you, @andrei-tyk. I've added my comments and would appreciate your thoughts on them. Additionally, could you kindly update the PR description and details?