Bump version in gemspec and changelog

Fixes #299

Author: karenzone

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 4.3.13
+  - Changed documentation to generalize the PATH location [#297](https://github.com/logstash-plugins/logstash-input-jdbc/pull/297)
+
 ## 4.3.12
   - Added check to prevent count sql syntax errors when debug logging [Issue #287](https://github.com/logstash-plugins/logstash-input-jdbc/issue/287) and [Pull Request #294](https://github.com/logstash-plugins/logstash-input-jdbc/pull/294)
 

logstash-input-jdbc.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name = 'logstash-input-jdbc'
-  s.version         = '4.3.12'
+  s.version         = '4.3.13'
   s.licenses = ['Apache License (2.0)']
   s.summary = "Creates events from JDBC data"
   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 gemname. This gem is not a stand-alone program"