prepare for 1.20.0 release (#168)

Author: dgrove-oss

NOTICE.txt

@@ -1,5 +1,5 @@
 Apache OpenWhisk Runtime Java
-Copyright 2016-2023 The Apache Software Foundation
+Copyright 2016-2024 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).

core/java8/CHANGELOG.md

@@ -19,8 +19,11 @@
 
 # Java 8 OpenWhisk Runtime Container
 
-# next Release
-- use `ibm-semeru-runtimes:open-8u422-b05-jdk-focal` as baseimage
+# 1.20.0
+ - Use `ibm-semeru-runtimes:open-8u422-b05-jdk-focal` as baseimage (#164)
+ - Update gradle-scalafmt to 1.5.1 to fix build. (#165)
+ - Update go proxy to 1.23@1.25.0 (#166)
+ - Upgrade gradle to 6.9.3 (#167)
 
 # 1.19.0
  - use `ibm-semeru-runtimes:open-8u382-b05-jdk-focal` as baseimage

core/java8actionloop/CHANGELOG.md

@@ -19,8 +19,11 @@
 
 # Java 8 OpenWhisk Runtime Container
 
-# next Release
-- use `ibm-semeru-runtimes:open-8u422-b05-jdk-focal` as baseimage
+# 1.20.0
+ - Use `ibm-semeru-runtimes:open-8u422-b05-jdk-focal` as baseimage (#164)
+ - Update gradle-scalafmt to 1.5.1 to fix build. (#165)
+ - Update go proxy to 1.23@1.25.0 (#166)
+ - Upgrade gradle to 6.9.3 (#167)
 
 # 1.19.0
  - use `ibm-semeru-runtimes:open-8u382-b05-jdk-focal` as baseimage