Bump jacoco-maven-plugin from 0.8.1 to 0.8.4

Bumps [jacoco-maven-plugin](https://github.com/jacoco/jacoco) from 0.8.1 to 0.8.4.
- [Release notes](https://github.com/jacoco/jacoco/releases)
- [Commits](jacoco/jacoco@v0.8.1...v0.8.4)

pom.xml

@@ -14,7 +14,7 @@
         <flyway.version>5.0.7</flyway.version>
         <guava.version>25.0-jre</guava.version>
         <h2.version>1.4.197</h2.version>
-        <jacoco-maven-plugin.version>0.8.1</jacoco-maven-plugin.version>
+        <jacoco-maven-plugin.version>0.8.4</jacoco-maven-plugin.version>
         <java.version>1.8</java.version>
         <jdbi.version>2.78</jdbi.version>
         <junit.version>4.12</junit.version>