Add ubuntu 22.04 to dcv connect script and mysql client install check

[dreambeyondorange]

Checklist

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[codecov]

Codecov Report

Merging #2407 (0e39798) into develop (37f0c8c) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #2407   +/-   ##
========================================
  Coverage    70.34%   70.34%           
========================================
  Files           13       13           
  Lines         1851     1851           
========================================
  Hits          1302     1302           
  Misses         549      549           

Flag	Coverage Δ
unittests	70.34% <ø> (ø)

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