Add renovate configuration file

[salman2013]

Description:

Add renovate configuration file.

Ticket: https://github.com/orgs/openedx/projects/55/views/1?pane=issue&itemId=48122130

[coveralls]

Pull Request Test Coverage Report for Build 9175537164

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 55.473%

---

Totals
Change from base Build 8332230573:	0.0%
Covered Lines:	168
Relevant Lines:	305

---

💛 - Coveralls

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.08%. Comparing base (14b2a51) to head (a02ca2c).

❗ Current head a02ca2c differs from pull request most recent head 103e2ff

Please upload reports for the commit 103e2ff to get more accurate results.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #166      +/-   ##
==========================================
- Coverage   58.22%   58.08%   -0.15%     
==========================================
  Files          25       26       +1     
  Lines         395      396       +1     
  Branches       66       66              
==========================================
  Hits          230      230              
- Misses        149      150       +1     
  Partials       16       16              

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[feanil]

Test passed but codecov failed, gonna merge anyway.