Update to kotlin 1.9

[kgevorkyan]

What's done:

• Update to kotlin 1.9

[kgevorkyan]

postponed for now

[github-actions]

JUnit Tests (Linux, EnricoMi/publish-unit-test-result-action@v1)

245 tests  ±0   221 ✔️ ±0   11m 21s ⏱️ +7s
  48 suites ±0     24 💤 ±0 
  48 files   ±0       0 ❌ ±0 

Results for commit 2e9a4d1. ± Comparison against base commit 8767c86.

♻️ This comment has been updated with latest results.

[github-actions]

JUnit Tests (Windows, EnricoMi/publish-unit-test-result-action@v1)

245 tests  ±0   220 ✔️  - 1   12m 19s ⏱️ -19s
  48 suites ±0     24 💤 ±0 
  48 files   ±0       1 ❌ +1 

For more details on these failures, see this check.

Results for commit 2e9a4d1. ± Comparison against base commit 8767c86.

♻️ This comment has been updated with latest results.

[github-actions]

JUnit Tests (macOS, EnricoMi/publish-unit-test-result-action@v1)

245 tests  ±0   221 ✔️ +1   14m 8s ⏱️ + 3m 57s
  48 suites ±0     24 💤 ±0 
  48 files   ±0       0 ❌  - 1 

Results for commit 2e9a4d1. ± Comparison against base commit 8767c86.

♻️ This comment has been updated with latest results.

[nulls]

@akuleshov7, it's required for save-cloud migration to 1.9

[orchestr7]

@akuleshov7, it's required for save-cloud migration to 1.9

Go, bro

[codecov]

Codecov Report

Merging #544 (2e9a4d1) into main (8767c86) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main     #544   +/-   ##
=========================================
  Coverage     48.32%   48.32%           
  Complexity      164      164           
=========================================
  Files            53       53           
  Lines          1877     1877           
  Branches        313      313           
=========================================
  Hits            907      907           
  Misses          841      841           
  Partials        129      129           

Flag	Coverage Δ
unittests	48.32% <ø> (ø)

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[nulls]

com.saveourtool.save.plugins.fixandwarn.FixAndWarnPluginTest#base test is flaky test on Windows is due to:
The process cannot access the file because it is being used by another process.