refactor: update tags to use 'release' instead of 'source' & 'target'

Author: DavidRibeiroRiskified

riskified-sdk/pom.xml

@@ -31,8 +31,7 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.14.1</version>
                 <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
+                    <release>8</release>
                 </configuration>
             </plugin>
 
@@ -69,9 +68,6 @@
                  <groupId>org.apache.maven.plugins</groupId>
                  <artifactId>maven-javadoc-plugin</artifactId>
                  <version>3.6.3</version>
-                 <configuration>
-                     <source>1.8</source>
-                 </configuration>
                  <executions>
                      <execution>
                          <id>attach-javadocs</id>