feat(react): add StepLabel, StepContent, Step and Stepper components

[JayaShakthi97]

Purpose

1. Adds components

   • StepLabel
   • StepContent
   • Step
   • Stepper

2. Rename the custom component Stepper to TransitionStepper. Refer the issue.

Related Issues

• 💅 Components Development Progress #2
• Rename Custom Stepper Component to TransitionStepper and Wrap MUI Stepper #302

Related PRs

• N/A

Checklist

• Figma Board Updated. (Mandatory for Icon and Component PRs. If you don't have access, please ask the core team to update it.)
• UX/UI review done on the final implementation.
• Story provided. (Add screenshots)
• Manual test round performed and verified.
• Unit tests provided. (Add links if there are any)
• Documentation provided. (Add links if there are any)

Security checks

• Followed secure coding standards in http://wso2.com/technical-reports/wso2-secure-engineering-guidelines?
• Ran ESLint & Prettier plugins and verified?
• Confirmed that this PR doesn't commit any keys, passwords, tokens, usernames, or other secrets?

[JayaShakthi97]

pr-builder failures are not related to PR changes. Will be fixed via:

• ci: stick node version to 18.x in ci #305