Bump spark-core_2.12 from 3.2.3 to 3.4.0

Bumps spark-core_2.12 from 3.2.3 to 3.4.0.

---
updated-dependencies:
- dependency-name: org.apache.spark:spark-core_2.12
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -110,7 +110,7 @@
         <!-- Frameworks and libraries -->
         <scala.version>2.12.17</scala.version>
         <scala.compat.version>2.12</scala.compat.version>
-        <spark.version>3.2.3</spark.version>
+        <spark.version>3.4.0</spark.version>
         <scalatest.version>3.2.14</scalatest.version>
         <specs.version>2.4.16</specs.version>
         <guava.version>15.0</guava.version>