Merge pull request #159 from big-data-europe/dependabot/maven/examples/maven/org.apache.spark-spark-core_2.12-3.4.0

Bump spark-core_2.12 from 3.3.0 to 3.4.0 in /examples/maven

Author: rsiebes

examples/maven/pom.xml

@@ -14,7 +14,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<scala.version>2.12.13</scala.version>
 		<scala.binary.version>2.12</scala.binary.version>
-		<spark.version>3.3.0</spark.version>
+		<spark.version>3.4.0</spark.version>
 	</properties>
 
 	<dependencies>