Update openjdk in Dockerfile

[pawelkopka]

Update openjdk in dockerfile. This will make container run faster (skip upgrade).

Fixes

• Currnelty each docker run upgrade openjdk before run npm-groovy-lint. This

[codecov-commenter]

Codecov Report

Merging #87 into master will increase coverage by 0.27%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #87      +/-   ##
==========================================
+ Coverage   93.71%   93.99%   +0.27%     
==========================================
  Files          72       72              
  Lines        1798     1798              
==========================================
+ Hits         1685     1690       +5     
+ Misses        113      108       -5     

Impacted Files	Coverage Δ
lib/codenarc-caller.js	84.67% <0.00%> (+0.72%)	⬆️
lib/output.js	98.76% <0.00%> (+1.23%)	⬆️
lib/codenarc-factory.js	97.22% <0.00%> (+1.38%)	⬆️

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[nvuillam]

Thanks for your contribution :)

[nvuillam]

Released on DockerHub in version 7.4.0 😃