Scripting: avoid proguarding of slf4j libs in main-kts

slf4j libs are bundled unshadowed to main-kts jar to avoid annoying
slf4j stderr printout (slf4j is used in the maven dependencies resolver)
Exluding it from proguard processing solves problems with using it
directly from scripts.
#KT-60813 fixed
#KT-54819 fixed

libraries/tools/kotlin-main-kts-test/testData/use-slf4j.main.kts

@@ -0,0 +1,5 @@
+@file:DependsOn("org.slf4j:slf4j-api:1.7.36")
+@file:DependsOn("org.slf4j:slf4j-simple:1.7.36")
+
+val logger = org.slf4j.LoggerFactory.getLogger("")
+logger.info("test-{}", "slf4j" as Any)