Spark 3 (#37)

* update spark to 3.4.0

* use junit 5.7.1 with vintage engine, surefire to 3.0.0-M5

pom.xml

@@ -52,7 +52,7 @@
     <dependency>
       <groupId>org.apache.spark</groupId>
       <artifactId>spark-core_2.12</artifactId>
-      <version>2.4.5</version>
+      <version>3.4.0</version>
       <scope>provided</scope>
       <exclusions>
         <exclusion>
@@ -64,7 +64,7 @@
     <dependency>
       <groupId>org.apache.spark</groupId>
       <artifactId>spark-sql_2.12</artifactId>
-      <version>2.4.5</version>
+      <version>3.4.0</version>
       <scope>provided</scope>
       <exclusions>
         <exclusion>
@@ -83,19 +83,13 @@
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter-engine</artifactId>
-      <version>5.11.1</version>
+      <version>5.7.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>
-      <groupId>org.junit.platform</groupId>
-      <artifactId>junit-platform-launcher</artifactId>
-      <version>1.11.0</version>
-      <scope>test</scope>
-    </dependency>
-    <dependency>
-      <groupId>org.junit.jupiter</groupId>
-      <artifactId>junit-jupiter-api</artifactId>
-      <version>5.4.0-RC1</version>
+      <groupId>org.junit.vintage</groupId>
+      <artifactId>junit-vintage-engine</artifactId>
+      <version>5.7.1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
@@ -215,7 +209,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>2.22.2</version>
+        <version>3.0.0-M5</version>
         <configuration>
           <parallel>all</parallel>
           <useUnlimitedThreads>true</useUnlimitedThreads>