Merge pull request #300 from sir-gon/renovate/jacoco-0.x

Update dependency jacoco to v0.8.13

Author: sir-gon

algorithm-exercises-java/build.gradle

@@ -86,7 +86,7 @@ test {
 }
 
 jacoco {
-    toolVersion = "0.8.12"
+    toolVersion = "0.8.13"
 }
 
 jacocoTestReport {