Bump guava from 19.0 to 23.0

Bumps [guava](https://github.com/google/guava) from 19.0 to 23.0.
- [Release notes](https://github.com/google/guava/releases)
- [Commits](google/guava@v19.0...v23.0)

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

Author: dependabot-support

build.gradle

@@ -62,7 +62,7 @@ sourceSets {
 dependencies {
     compileOnly group: 'cd.go.plugin', name: 'go-plugin-api', version: '19.2.0'
     compile group: 'com.google.code.gson', name: 'gson', version: '2.8.5'
-    compile group: 'com.google.guava', name: 'guava', version: '19.0'
+    compile group: 'com.google.guava', name: 'guava', version: '23.0'
     compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.8.1'
     compile group: 'commons-io', name: 'commons-io', version: '2.6'
     compile group: 'joda-time', name: 'joda-time', version: '2.9.4'