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]

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 ⚠️
...lin/com/saveourtool/diktat/cli/DiktatProperties.kt	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            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]

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

   164 files  ±0     164 suites  ±0   7m 50s ⏱️ -20s
1 402 tests ±0  1 366 ✔️ ±0  36 💤 ±0  0 ❌ ±0 
2 781 runs  ±0  2 745 ✔️ ±0  36 💤 ±0  0 ❌ ±0 

Results for commit 07b434a. ± Comparison against base commit 3ebe006.

♻️ This comment has been updated with latest results.

[github-actions]

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

   164 files  ±0     164 suites  ±0   6m 58s ⏱️ -12s
1 402 tests ±0  1 385 ✔️ ±0  17 💤 ±0  0 ❌ ±0 
2 781 runs  ±0  2 764 ✔️ ±0  17 💤 ±0  0 ❌ ±0 

Results for commit 07b434a. ± Comparison against base commit 3ebe006.

♻️ This comment has been updated with latest results.