Added shadow for diktat-runner

[nulls]

What's done:

• added shadow artifact for diktat-runner to resolve issue with guava in spotless

It's part of #1817

[codecov[bot]]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (3ebe006) 78.18% compared to head (07b434a) 78.18%.

Files	Patch %	Lines
...c/main/kotlin/com/saveourtool/diktat/DiktatMain.kt	0.00%	1 Missing :warning:
...lin/com/saveourtool/diktat/cli/DiktatProperties.kt	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1834 +/- ## ========================================= Coverage 78.18% 78.18% Complexity 2425 2425 ========================================= Files 131 131 Lines 8631 8631 Branches 2174 2174 ========================================= Hits 6748 6748 Misses 917 917 Partials 966 966 ```

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[github-actions[bot]]

JUnit Tests (macOS, EnricoMi/publish-unit-test-result-action@v2)

   164 files  ±0     164 suites  ±0   7m 50s :stopwatch: -20s 1 402 tests ±0  1 366 :heavy_check_mark: ±0  36 :zzz: ±0  0 :x: ±0  2 781 runs  ±0  2 745 :heavy_check_mark: ±0  36 :zzz: ±0  0 :x: ±0 

Results for commit 07b434a6. ± Comparison against base commit 3ebe006d.

:recycle: This comment has been updated with latest results.

[github-actions[bot]]

JUnit Tests (Windows, EnricoMi/publish-unit-test-result-action@v2)

   164 files  ±0     164 suites  ±0   6m 58s :stopwatch: -12s 1 402 tests ±0  1 385 :heavy_check_mark: ±0  17 :zzz: ±0  0 :x: ±0  2 781 runs  ±0  2 764 :heavy_check_mark: ±0  17 :zzz: ±0  0 :x: ±0 

Results for commit 07b434a6. ± Comparison against base commit 3ebe006d.

:recycle: This comment has been updated with latest results.