Bump version to 8.18.7 (#18059)

Author: edmocosta

Gemfile.jruby-3.1.lock.release

@@ -2,12 +2,12 @@ PATH
   remote: logstash-core-plugin-api
   specs:
     logstash-core-plugin-api (2.1.16-java)
-      logstash-core (= 8.18.6)
+      logstash-core (= 8.18.7)
 
 PATH
   remote: logstash-core
   specs:
-    logstash-core (8.18.6-java)
+    logstash-core (8.18.7-java)
       clamp (~> 1, >= 1.3.3)
       concurrent-ruby (~> 1, < 1.1.10)
       down (~> 5.2.0)

versions.yml

@@ -1,7 +1,7 @@
 ---
 # alpha and beta qualifiers are now added via VERSION_QUALIFIER environment var
-logstash: 8.18.6
-logstash-core: 8.18.6
+logstash: 8.18.7
+logstash-core: 8.18.7
 logstash-core-plugin-api: 2.1.16
 
 bundled_jdk: