Shift dependency versions in project level gradle file

[geekanamika]

Description

As a developer,
I need all version at one place
so that I can change/update dependency easily and it's maintainable.

Acceptance Criteria

• Create appropriate version variables in project level gradle file

Update [Required]

• build.gradle (project)
• build.gradle(app)

Definition of Done

• All of the required items are completed.
• Approval by 1 maintainer.

Estimation

30 mins