Version bump

For elastic/logstash#7993

[ci skip]

Author: jordansissel

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 4.1.2
+  - Fix some documentation issues
+
 ## 4.1.0
   - Added SYSLOG5424LINE and test ipv4/ipv6/hostname as syslog5424_host rfc5424
   - Accordig to rcf5424 IP address should be accepted

logstash-patterns-core.gemspec

@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
 
   s.name            = 'logstash-patterns-core'
-  s.version         = '4.1.1'
+  s.version         = '4.1.2'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = "Patterns to be used in logstash"
   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"