Update sparkjava version for samples and archetype

Author: deki

aws-serverless-spark-archetype/src/main/resources/archetype-resources/build.gradle

@@ -7,7 +7,7 @@ repositories {
 
 dependencies {
   implementation (
-          'com.sparkjava:spark-core:2.9.1',
+          'com.sparkjava:spark-core:2.9.3',
           'com.amazonaws.serverless:aws-serverless-java-container-spark:[1.0,)',
           'com.fasterxml.jackson.core:jackson-databind:2.12.0',
           'io.symphonia:lambda-logging:1.0.1'

samples/spark/pet-store/build.gradle

@@ -7,7 +7,7 @@ repositories {
 
 dependencies {
   implementation (
-          'com.sparkjava:spark-core:2.9.1',
+          'com.sparkjava:spark-core:2.9.3',
           'com.amazonaws.serverless:aws-serverless-java-container-spark:[1.0,)',
           'com.fasterxml.jackson.core:jackson-databind:2.12.0',
           'io.symphonia:lambda-logging:1.0.1'