Kotlin 1.5.31 and some dependency upgrades

build.gradle.kts

src/main/kotlin/com/pseuco/dataraces/PseuCoDRD.kt

src/main/kotlin/fxGui/Main.kt

src/main/kotlin/fxGui/completion/Hints.kt

src/main/kotlin/fxGui/debugger/DebuggerPane.kt

src/main/kotlin/fxGui/main/MainPane.kt

src/main/kotlin/fxGui/main/PlaceholderHandler.kt

src/main/kotlin/fxGui/main/PseuCoArea.kt

src/main/kotlin/jani/interaction/basic/ParameterType.kt

src/main/kotlin/webapp/CompanionWebApp.kt

src/test/kotlin/fxGui/main/PlaceholderHandlerTest.kt

src/test/kotlin/pseuco/javaCompiler/CompilerTests.kt

src/test/resources/pseuco-tests