[MOB-11443] Bump express dependency version

[pauljung14]

JIRA Ticket(s) if any

• MOB-11443

Description

• Bumps express dependency version to 4.21.2

Test Steps

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.85%. Comparing base (26672a4) to head (122d0ba).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #495   +/-   ##
=======================================
  Coverage   64.85%   64.85%           
=======================================
  Files          47       47           
  Lines        1784     1784           
  Branches      565      565           
=======================================
  Hits         1157     1157           
  Misses        587      587           
  Partials       40       40           

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[ts-nguyen]

@pauljung14 are there any package.json file changes with this one, I just see lock file changes