prep for 1.19.0 release (#158)

Author: dgrove-oss

core/java8/CHANGELOG.md

@@ -18,7 +18,8 @@
 -->
 
 # Java 8 OpenWhisk Runtime Container
-# next release
+
+# 1.19.0
  - use `ibm-semeru-runtimes:open-8u382-b05-jdk-focal` as baseimage
 
 # 1.18.0

core/java8actionloop/CHANGELOG.md

@@ -18,8 +18,10 @@
 -->
 
 # Java 8 OpenWhisk Runtime Container
-# next release
+
+# 1.19.0
  - use `ibm-semeru-runtimes:open-8u382-b05-jdk-focal` as baseimage
+ - update go proxy 1.21@1.23.0 (#157)
 
 # 1.18.0
  - Use `ibm-semeru-runtimes:open-8u362-b09-jdk-focal` as baseimage (#151)