CI to stop testing for JDK8 and add JDK17

[Mjl33]

CI to test for JDK11, JDK17

[codecov]

Codecov Report

Merging #299 (572ff78) into master (915902f) will increase coverage by 0.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #299      +/-   ##
============================================
+ Coverage     49.08%   49.10%   +0.01%     
  Complexity      477      477              
============================================
  Files           116      116              
  Lines          2850     2849       -1     
  Branches        172      170       -2     
============================================
  Hits           1399     1399              
+ Misses         1365     1364       -1     
  Partials         86       86              

Impacted Files	Coverage Δ
.../frameworkium/core/common/properties/Property.java	82.53% <0.00%> (+1.28%)	⬆️

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