fix(sdk-logs): await async resources in log processors

[hectorhdzg]

Fixes #4281

Short description of the changes

Await async resources, related to #3460

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Added unit tests for the change

Checklist:

• Followed the style guidelines of this project
• Unit tests have been added

[codecov]

Codecov Report

Merging #4349 (0d1a1d3) into main (d3c311a) will increase coverage by 0.02%.
The diff coverage is 94.11%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4349      +/-   ##
==========================================
+ Coverage   92.20%   92.23%   +0.02%     
==========================================
  Files         332      332              
  Lines        9447     9464      +17     
  Branches     2003     2009       +6     
==========================================
+ Hits         8711     8729      +18     
+ Misses        736      735       -1     

Files	Coverage Δ
...sdk-logs/src/export/BatchLogRecordProcessorBase.ts	92.85% <93.33%> (-2.02%)	⬇️
...es/sdk-logs/src/export/SimpleLogRecordProcessor.ts	93.33% <94.73%> (+14.38%)	⬆️

... and 1 file with indirect coverage changes