Added shadow for diktat-runner #6599

JUnit Tests (macOS, dorny/test-reporter@v1) ✅

Report	Passed	Failed	Skipped	Time
diktat-common/build/test-results/test/TEST-com.saveourtool.diktat.test.ConfigReaderTest.xml	2✅			1s
diktat-ktlint-engine/build/test-results/test/TEST-com.saveourtool.diktat.ktlint.KtLintRuleWrapperTest.xml	3✅			10s

2 tests were completed in 1s with 2 passed, 0 failed and 0 skipped.

Test suite	Passed	Failed	Skipped	Time
com.saveourtool.diktat.test.ConfigReaderTest	2✅			1s

✅ testing kotlin version()
✅ testing json reading()

3 tests were completed in 10s with 3 passed, 0 failed and 0 skipped.

Test suite	Passed	Failed	Skipped	Time
com.saveourtool.diktat.ktlint.KtLintRuleWrapperTest	3✅			10s

✅ check KtLintRuleSetWrapper with duplicate()
✅ check OrderedRule()
✅ KtLint keeps order with RuleVisitorModifierRunAfterRule()