Add environment parameter to pipeline stages for enabling approvals

[abhisheik-HRA]

Introduced an 'environment' parameter to the dev, uat, pre_prod, and production stages in azure-pipelines.yaml to explicitly specify the deployment environment for each stage.

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Jira Ref

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RSP-###

Type of Change

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• [] New feature
• [] Refactoring
• [] Bug-fix
• DevOps
• [] Testing

Solution

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Checklist

• Your code builds clean without any warnings
• You have added unit tests
• All the added unit tests add value i.e. assert the right thing?
• You are using the correct naming conventions
• You have fixed all the suggestions made by .editorconfig and/or Roslynator
• There are no dead code and no "TODO" comments left
• Please make sure that using statements are sorted with using System* statements at the top. You can use CTRL + K, CTRL + D command to format the file, that will respect the .editorconfig, or use the Visual Studio extension called CodeMaid to do that for you automatically on save.