[RHCLOUD-23855] update drift email templates

[g-duval]

[josejulio]

lgtm!
needs rebasing

[gwenneg]

Fixed conflicts.

[codecov-commenter]

Codecov Report

Base: 61.60% // Head: 61.77% // Increases project coverage by +0.16% 🎉

Coverage data is based on head (8658e5b) compared to base (dad98cf).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1701      +/-   ##
============================================
+ Coverage     61.60%   61.77%   +0.16%     
- Complexity     1331     1343      +12     
============================================
  Files           247      247              
  Lines          6285     6297      +12     
  Branches        593      593              
============================================
+ Hits           3872     3890      +18     
+ Misses         2199     2193       -6     
  Partials        214      214              

Impacted Files	Coverage Δ
...om/redhat/cloud/notifications/templates/Drift.java	86.36% <100.00%> (+76.36%)	⬆️
.../notifications/templates/EmailTemplateFactory.java	43.90% <100.00%> (ø)

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