fixup typo in LoadWorksheetToVertica

[pwnage101]

DE-1919

Analytics Pipeline Pull Request

Make sure that the following steps are done before merging:

• [ ] If you have a migration please contact data engineering team before merging.
• [ ] Before merging run full acceptance tests suite and provide URL for the acceptance tests run.
• [ ] A member of data engineering team has approved the pull request.

[codecov[bot]]

Codecov Report

Merging #792 into master will not change coverage. The diff coverage is 0%.

@@           Coverage Diff           @@
##           master     #792   +/-   ##
=======================================
  Coverage   74.55%   74.55%           
=======================================
  Files         211      211           
  Lines       24181    24181           
=======================================
  Hits        18027    18027           
  Misses       6154     6154

Impacted Files	Coverage Δ
.../tasks/warehouse/load_google_sheet_to_warehouse.py	44.91% <0%> (ø)	:arrow_up:

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