Bump unirest-java from 3.4.01 to 3.4.03

Bumps [unirest-java](https://github.com/Kong/unirest-java) from 3.4.01 to 3.4.03.
- [Release notes](https://github.com/Kong/unirest-java/releases)
- [Changelog](https://github.com/Kong/unirest-java/blob/master/CHANGELOG.md)
- [Commits](Kong/unirest-java@v3.4.01...v3.4.03)

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

build.gradle

@@ -169,7 +169,7 @@ dependencies {
     compile 'org.controlsfx:controlsfx:11.0.1'
 
     compile 'org.jsoup:jsoup:1.12.2'
-    compile 'com.konghq:unirest-java:3.4.01'
+    compile 'com.konghq:unirest-java:3.4.03'
 
     compile 'org.slf4j:slf4j-api:2.0.0-alpha1'
     compile group: 'org.apache.logging.log4j', name: 'log4j-jcl', version: '3.0.0-SNAPSHOT'