RTK query with cache

[bhtibrewal]

Children Issue:

• write RTK Mutation for updateCardContent API call  #512
• write RTK Query for fetchIdleUsers API call #513
• fetch Challenges using RTK Query  #514

APIs list:

• Idle Members - Change fetch implementation to RTK Query for Idle Members #622
• mIne task mine task Api #515
• users Api userApi in RTK Query #511
• task tags api Rtk query task tags api #502 Tags api rtk query #506
• CHALLENGES_URL wrote tests+resolved queries #558
• IsUserAuthorizedContext, useAuthenticated - fix : removed multiple user/self fetch #603
• PullRequestList - @RitikJaiswal75 #676
• assignTask migrate assignTask API to RTK Query #671
• migrate LOGOUT_URL to RTK Query #680

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Cleanup

• remove util updateCardContent and use RTK instead #678
• ~~ subscibeUser ~~ migrate subscibeUser Api call to RTK Query  #673 @biswanathTewari
• clean up fetch function
• cleanup usefetch

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• updateTaskDetails - @mayurlalwani convert fetch api call to rtk mutation #529 [CLOSED]