Initial commit for 5.2.0 - addresses HikariCP logging issues

logstash-output-jdbc.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name = 'logstash-output-jdbc'
-  s.version = '5.1.0'
+  s.version = '5.2.0'
   s.licenses = ['Apache License (2.0)']
   s.summary = 'This plugin allows you to output to SQL, via JDBC'
   s.description = "This gem is a logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install 'logstash-output-jdbc'. This gem is not a stand-alone program"
@@ -22,12 +22,12 @@ Gem::Specification.new do |s|
   s.metadata = { 'logstash_plugin' => 'true', 'logstash_group' => 'output' }
 
   # Gem dependencies
-  s.add_runtime_dependency 'logstash-core-plugin-api', '>= 1.60', '<= 2.99'
+  s.add_runtime_dependency 'logstash-core-plugin-api', '~> 2'
   s.add_runtime_dependency 'stud'
   s.add_runtime_dependency 'logstash-codec-plain'
 
-  s.requirements << "jar 'com.zaxxer:HikariCP', '2.4.7'"
-  s.requirements << "jar 'org.slf4j:slf4j-log4j12', '1.7.21'"
+  s.requirements << "jar 'com.zaxxer:HikariCP', '2.6.1'"
+  s.requirements << "jar 'org.apache.logging.log4j:log4j-slf4j-impl', '2.6.2'"
 
   s.add_development_dependency 'jar-dependencies'
   s.add_development_dependency 'ruby-maven', '~> 3.3'