fixing:

* source/target bytecode version (java11 compiler can handle it)
* osgeo repo URL

See #10

Author: pmauduit

pom.xml

@@ -9,6 +9,8 @@
   <properties>
     <spring.version>5.3.18</spring.version>
     <geotools.version>20.0</geotools.version>
+    <maven.compiler.source>1.8</maven.compiler.source>
+    <maven.compiler.target>1.8</maven.compiler.target>
   </properties>
   <build>
     <plugins>
@@ -111,7 +113,7 @@
     <repository>
       <id>osgeo</id>
       <name>OSGeo repository</name>
-      <url>http://download.osgeo.org/webdav/geotools/</url>
+      <url>http://repo.osgeo.org/repository/release</url>
     </repository>
   </repositories>
 </project>