support old cryptsetup

[mostlikelee]

#24215

<2.4 versions of cryptsetup don't support the same json flag and only support a json debug dump which requires extracting the json from a text blob.

• Changes file added for user-visible changes in changes/, orbit/changes/ or ee/fleetd-chrome/changes.
  See Changes files for more information.
• Added/updated tests
• Manual QA for all new/changed functionality
• For Orbit and Fleet Desktop changes:
  • Orbit runs on macOS, Linux and Windows. Check if the orbit feature/bugfix should only apply to one platform (runtime.GOOS).
  • Manual QA must be performed in the three main OSs, macOS, Windows and Linux.
  • Auto-update manual QA, from released version of component to new version (see tools/tuf/test).

[codecov]

Codecov Report

Attention: Patch coverage is 17.39130% with 38 lines in your changes missing coverage. Please review.

Project coverage is 63.43%. Comparing base (476ffcb) to head (46fec98).
Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
orbit/pkg/luks/luks_linux.go	0.00%	38 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #24426      +/-   ##
==========================================
- Coverage   63.46%   63.43%   -0.04%     
==========================================
  Files        1586     1589       +3     
  Lines      150449   150990     +541     
  Branches     3867     3867              
==========================================
+ Hits        95484    95775     +291     
- Misses      47345    47571     +226     
- Partials     7620     7644      +24     

Flag	Coverage Δ
backend	64.30% <17.39%> (-0.05%)	⬇️

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[lucasmrod]

LGTM!