Perform CI code coverage in Java 11

[bitwiseman]

Description

Before submitting a PR:

We love getting PRs, but we hate asking people for the same basic changes every time.

• Push your changes to a branch other than main. Create your PR from that branch.
• Add JavaDocs and other comments
• Write tests that run and pass in CI. See CONTRIBUTING.md for details on how to capture snapshot data.
• Run mvn -D enable-ci clean install site locally. If this command doesn't succeed, your change will not pass CI.

When creating a PR:

• Fill in the "Description" above.
• Enable "Allow edits from maintainers".

[codecov]

Codecov Report

Merging #1304 (027d19a) into main (d46bca7) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main    #1304      +/-   ##
============================================
- Coverage     77.89%   77.86%   -0.04%     
+ Complexity     2012     2009       -3     
============================================
  Files           197      197              
  Lines          6219     6215       -4     
  Branches        359      359              
============================================
- Hits           4844     4839       -5     
- Misses         1161     1162       +1     
  Partials        214      214              

Impacted Files	Coverage Δ
...suke/github/connector/GitHubConnectorResponse.java	100.00% <ø> (ø)
...tHubConnectorResponseHttpUrlConnectionAdapter.java	86.15% <0.00%> (-1.54%)	⬇️

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