Get rid of Symbols synchronization on Usages, Builders feaures

[lehvolk]

Apart from that

• drop support of PosgreSQL
• add ability to write DB migrations (aka refactorings)

[github-actions]

Lifecycle test results

46 tests  ±0   46 ✔️ ±0   2m 15s ⏱️ +11s
  4 suites ±0     0 💤 ±0 
  4 files   ±0     0 ❌ ±0 

Results for commit dff5e16. ± Comparison against base commit 099fc26.

♻️ This comment has been updated with latest results.

[github-actions]

Test results on JDK 19

1 256 tests  ±0   1 245 ✔️ ±0   6m 27s ⏱️ - 1m 13s
     43 suites ±0        11 💤 ±0 
     43 files   ±0          0 ❌ ±0 

Results for commit dff5e16. ± Comparison against base commit 099fc26.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Merging #190 (dff5e16) into develop (099fc26) will increase coverage by 0.25%.
The diff coverage is 71.77%.

@@              Coverage Diff              @@
##             develop     #190      +/-   ##
=============================================
+ Coverage      76.98%   77.23%   +0.25%     
- Complexity      1559     1563       +4     
=============================================
  Files            157      157              
  Lines           8784     8824      +40     
  Branches        1536     1540       +4     
=============================================
+ Hits            6762     6815      +53     
+ Misses          1426     1402      -24     
- Partials         596      607      +11     

Files	Coverage Δ
...c/main/kotlin/org/jacodb/impl/features/Builders.kt	89.21% <90.90%> (+0.21%)	⬆️
...in/kotlin/org/jacodb/impl/storage/JcRefactoring.kt	90.32% <90.32%> (ø)
...n/org/jacodb/impl/storage/SQLitePersistenceImpl.kt	67.27% <25.00%> (ø)
...src/main/kotlin/org/jacodb/impl/features/Usages.kt	92.70% <76.92%> (-0.26%)	⬇️
...core/src/main/kotlin/org/jacodb/impl/JcSettings.kt	42.70% <0.00%> (-0.15%)	⬇️
...tlin/org/jacodb/impl/storage/PersistenceService.kt	90.77% <71.42%> (-2.79%)	⬇️

... and 3 files with indirect coverage changes

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[github-actions]

Test results on JDK 8

1 256 tests  ±0   1 243 ✔️ ±0   8m 1s ⏱️ +46s
     43 suites ±0        13 💤 ±0 
     43 files   ±0          0 ❌ ±0 

Results for commit dff5e16. ± Comparison against base commit 099fc26.

♻️ This comment has been updated with latest results.

[github-actions]

Test results on JDK 11

1 256 tests  ±0   1 247 ✔️ ±0   7m 51s ⏱️ -29s
     43 suites ±0          9 💤 ±0 
     43 files   ±0          0 ❌ ±0 

Results for commit dff5e16. ± Comparison against base commit 099fc26.

♻️ This comment has been updated with latest results.