test: do not skip OCB decryption in FIPS mode

[tniessen]

I believe that OCB should work in FIPS mode, and only CCM should be skipped here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.23%. Comparing base (20c4b80) to head (d68ca5c).
Report is 9 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #58382   +/-   ##
=======================================
  Coverage   90.23%   90.23%           
=======================================
  Files         633      633           
  Lines      186883   186883           
  Branches    36695    36684   -11     
=======================================
+ Hits       168632   168643   +11     
+ Misses      11040    11039    -1     
+ Partials     7211     7201   -10     

see 30 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/66954/

[nodejs-github-bot]

Landed in 283ed53