bug/catch-timeout-in-event-gather

[isaacna]

Link to Relevant Issue

This pull request resolves #154

Description of Changes

The error here was caused by a requests.ConnectionError.

I added a catch for ConnectionError for every try statement that uploads a db model and has resource_exists validation.

I'm assuming that wherever we don't have a try statement, we wouldn't want to proceed in the pipeline if something errors out during that upload_db_model step. But let me know if this assumption isn't correct

[codecov]

Codecov Report

Merging #157 (ee791de) into main (4f8b6c7) will increase coverage by 0.00%.
The diff coverage is 45.45%.

@@           Coverage Diff           @@
##             main     #157   +/-   ##
=======================================
  Coverage   94.53%   94.53%           
=======================================
  Files          50       50           
  Lines        2543     2544    +1     
=======================================
+ Hits         2404     2405    +1     
  Misses        139      139           

Impacted Files	Coverage Δ
cdp_backend/pipeline/event_gather_pipeline.py	85.71% <45.45%> (+0.03%)	⬆️

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[evamaxfield]

Looks good! Thanks for making these changes so quickly!