⬆️ Upgrading dependencies to work with newer JDK

Author: langecode

pom.xml

@@ -104,7 +104,7 @@
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>
-                <version>0.7.9</version>
+                <version>0.8.4</version>
                 <executions>
                     <execution>
                         <id>default-prepare-agent</id>
@@ -169,7 +169,10 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>3.0.0-M1</version>
+                <version>3.1.1</version>
+                <configuration>
+                    <source>1.8</source>
+                </configuration>
                 <executions>
                     <execution>
                         <id>attach-javadocs</id>