Changed s3 event index lambda to default index yesterday and today

[bshien]

Description

Eventbridge rule calls the lambda function at the end of the day, so by changing the default to indexing yesterday AND today's events, we can get the most recent data for the maintainer dashboard.

Issues Resolved

Part of #76

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.64%. Comparing base (259544c) to head (9304e37).
Report is 1 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #107      +/-   ##
============================================
- Coverage     86.87%   83.64%   -3.23%     
  Complexity      318      318              
============================================
  Files            69       50      -19     
  Lines          1767     1394     -373     
  Branches         80       61      -19     
============================================
- Hits           1535     1166     -369     
+ Misses          195      191       -4     
  Partials         37       37              

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