PG-1667 Validate Vault engine type

[artemgavrilov]

https://perconadev.atlassian.net/browse/PG-1667

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 91.13924% with 7 lines in your changes missing coverage. Please review.

Project coverage is 84.83%. Comparing base (7dff5d0) to head (04a2a01).

❌ Your project status has failed because the head coverage (84.83%) is below the target coverage (90.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@                  Coverage Diff                  @@
##           TDE_REL_17_STABLE     #462      +/-   ##
=====================================================
+ Coverage              84.68%   84.83%   +0.14%     
=====================================================
  Files                     21       21              
  Lines                   2593     2671      +78     
  Branches                 401      411      +10     
=====================================================
+ Hits                    2196     2266      +70     
- Misses                   316      323       +7     
- Partials                  81       82       +1     

Components	Coverage Δ
access	81.11% <ø> (ø)
catalog	88.22% <ø> (ø)
common	77.77% <ø> (ø)
encryption	73.45% <ø> (ø)
keyring	75.56% <91.13%> (+2.67%)	⬆️
src	91.54% <ø> (ø)
smgr	94.85% <ø> (ø)
transam	∅ <ø> (∅)

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