fix(code-connect): datepicker and header fix and update to latest

[alisonjoseph]

Closes #17682

Changelog

New

• {{new thing}}

Changed

• update to v1.2.4 of code-connect
• fix url for Header that was throwing publish error
• add hideLabel prop to date picker

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.31%. Comparing base (1cf7200) to head (fdad09f).

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #18254   +/-   ##
=======================================
  Coverage   84.31%   84.31%           
=======================================
  Files         404      404           
  Lines       14359    14359           
  Branches     4656     4626   -30     
=======================================
  Hits        12107    12107           
+ Misses       2090     2089    -1     
- Partials      162      163    +1     

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