chore: add Dependency Review GitHub Action

[absis]

The dependency review action scans your pull requests for dependency changes and raises an error if any new dependencies have known vulnerabilities. Once installed, if the workflow run is marked as required, pull requests introducing known vulnerable packages will be blocked from merging.

[linear]

DEVOPS-980 Implement dependency review action on aave repos

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 56.16%. Comparing base (9afa826) to head (678b6c7).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #197   +/-   ##
=======================================
  Coverage   56.16%   56.16%           
=======================================
  Files          26       26           
  Lines         981      981           
  Branches      125      125           
=======================================
  Hits          551      551           
  Misses        430      430           

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[alexmance]

LGTM