Make spark dependencies provided (#191)

* Upgrade testcontainers

* Make spark dependencies provided

Author: kevinwallimann

parent-conf/pom.xml

@@ -194,11 +194,13 @@
                 <groupId>org.apache.spark</groupId>
                 <artifactId>spark-sql_${scala.compat.version}</artifactId>
                 <version>${spark.version}</version>
+                <scope>provided</scope>
             </dependency>
             <dependency>
                 <groupId>org.apache.spark</groupId>
                 <artifactId>spark-core_${scala.compat.version}</artifactId>
                 <version>${spark.version}</version>
+                <scope>provided</scope>
             </dependency>
 
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