Bump spark.version from 2.4.5 to 2.4.8

Bumps `spark.version` from 2.4.5 to 2.4.8.

Updates `spark-core_2.11` from 2.4.5 to 2.4.8

Updates `spark-sql_2.11` from 2.4.5 to 2.4.8

Updates `spark-core_2.12` from 2.4.5 to 2.4.8

Updates `spark-sql_2.12` from 2.4.5 to 2.4.8

---
updated-dependencies:
- dependency-name: org.apache.spark:spark-core_2.11
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.spark:spark-sql_2.11
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.spark:spark-core_2.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.spark:spark-sql_2.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -128,7 +128,7 @@
         <slf4j.version>1.7.12</slf4j.version>
         <logback.version>1.2.10</logback.version>
         <joda.version>2.9.9</joda.version>
-        <spark.version>2.4.5</spark.version>
+        <spark.version>2.4.8</spark.version>
         <flink.version>1.14.0</flink.version>
         <common.io.version>2.11.0</common.io.version>
         <commons.collections4>4.4</commons.collections4>