Replace moment by date-fns in reminder (front and back) (#6896)

[vlo-rte]

When all the PR about Moment.js and date-fns are merged, I propose to add :

• In release note :
  • In chapter : Tasks
  • Text : #6888, #6889, #6891, #6892, #6893, #6894, #6895, #6896 : Replacing the Moment.js library with date-fns

[sonarqubecloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

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0 Security Hotspots
89.9% Coverage on New Code
2.8% Duplication on New Code

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