chore(mail): update template ids

[ham-76]

We are changing to a new Sendgrid account
Peer commit: e0f9c6f

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 57.57%. Comparing base (1592cba) to head (e7bac4e).
⚠️ Report is 3 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #4737   +/-   ##
========================================
  Coverage    57.57%   57.57%           
========================================
  Files         1007     1007           
  Lines        19807    19807           
  Branches      4149     4149           
========================================
  Hits         11404    11404           
  Misses        8343     8343           
  Partials        60       60           

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