Bump kotlin-reflect from 1.3.21 to 1.4.31

Bumps [kotlin-reflect](https://github.com/JetBrains/kotlin) from 1.3.21 to 1.4.31.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

build.gradle

@@ -15,7 +15,7 @@ dependencies {
   // https://mvnrepository.com/artifact/com.googlecode.owasp-java-html-sanitizer/owasp-java-html-sanitizer
   compile group: 'com.googlecode.owasp-java-html-sanitizer', name: 'owasp-java-html-sanitizer'
   compile "org.jetbrains:markdown:${markdownParserVersion}"
-  compile "org.jetbrains.kotlin:kotlin-reflect:1.4.21"
+  compile "org.jetbrains.kotlin:kotlin-reflect:1.4.31"
   compile "org.jetbrains.kotlin:kotlin-stdlib:1.4.21"
   compile "io.reactivex.rxjava2:rxjava:2.2.9"