Split CI for core/ETS

[Lipen]

This PR reorganizes the GitHub Actions CI workflow by splitting the steps for core/jacodb-ets tests into two different jobs: ci-core and ci-ets. The job for core tests is a matrix job. Other jobs are run on a specific (minimal supported) jdk.

[github-actions]

Lifecycle test results

78 tests  ±0   78 ✅ ±0   1m 28s ⏱️ -1s
 7 suites ±0    0 💤 ±0 
 7 files   ±0    0 ❌ ±0 

Results for commit 00af51c. ± Comparison against base commit 4ca8d08.

♻️ This comment has been updated with latest results.

[github-actions]

Test results on JDK 8

 68 files   -   4   68 suites   - 4   4m 47s ⏱️ -22s
569 tests  -  64  557 ✅  -  63  12 💤  - 1  0 ❌ ±0 
597 runs   - 108  585 ✅  - 107  12 💤  - 1  0 ❌ ±0 

Results for commit 00af51c. ± Comparison against base commit 4ca8d08.

♻️ This comment has been updated with latest results.

[github-actions]

Test results on JDK 19

 68 files   -   4   68 suites   - 4   4m 36s ⏱️ -16s
569 tests  -  64  560 ✅  -  63  9 💤  - 1  0 ❌ ±0 
597 runs   - 108  588 ✅  - 107  9 💤  - 1  0 ❌ ±0 

Results for commit 00af51c. ± Comparison against base commit 4ca8d08.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.99%. Comparing base (4ca8d08) to head (00af51c).
Report is 1 commits behind head on neo.

Additional details and impacted files

@@             Coverage Diff              @@
##                neo     #322      +/-   ##
============================================
+ Coverage     70.59%   76.99%   +6.40%     
+ Complexity     2457     2439      -18     
============================================
  Files           275      211      -64     
  Lines         15284    12308    -2976     
  Branches       2269     1935     -334     
============================================
- Hits          10789     9477    -1312     
+ Misses         3577     2012    -1565     
+ Partials        918      819      -99     

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[github-actions]

Test results on JDK 11

 68 files   -   4   68 suites   - 4   5m 4s ⏱️ - 1m 17s
569 tests  -  64  562 ✅  -  63  7 💤  - 1  0 ❌ ±0 
597 runs   - 108  590 ✅  - 107  7 💤  - 1  0 ❌ ±0 

Results for commit 00af51c. ± Comparison against base commit 4ca8d08.

♻️ This comment has been updated with latest results.