[PATCH 2 of 2] Update Java compatibility

[Wald Commits]

# HG changeset patch
# User Tom Gottfried <tom at intevation.de>
# Date 1673866185 -3600
#      Mon Jan 16 11:49:45 2023 +0100
# Branch 3.2.x
# Node ID 0ed1c01dca80d68877294142b821fefef07786b2
# Parent  2f9e1f0b574b9137d668b6eec9e1952614ddcc5c
Update Java compatibility

diff -r 2f9e1f0b574b -r 0ed1c01dca80 pom.xml
--- a/pom.xml	Mon Jan 16 11:46:55 2023 +0100
+++ b/pom.xml	Mon Jan 16 11:49:45 2023 +0100
@@ -21,8 +21,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.6</source>
-          <target>1.6</target>
+          <source>1.8</source>
+          <target>1.8</target>
         </configuration>
       </plugin>
     </plugins>