chore(docs): fix minor typo

[alanmatw]

Short description of what this resolves:

Fix a minor typo in docs by correcting the spelling of "deployement" to "deployment".

[codecov]

Codecov Report

Merging #6887 into development will decrease coverage by 0.00%.
The diff coverage is n/a.

@@               Coverage Diff               @@
##           development    #6887      +/-   ##
===============================================
- Coverage        66.34%   66.34%   -0.01%     
===============================================
  Files              308      308              
  Lines            15330    15330              
===============================================
- Hits             10171    10170       -1     
- Misses            5159     5160       +1     

Impacted Files	Coverage Δ
app/models/event.py	80.91% <0.00%> (-0.36%)	⬇️

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