* Upgrade dependencies to latest reasonable * Add `6.4.x` branch to Dependabot config * Move `whats-new.adoc` content to `changes-6.3-6.4.adoc` * Optimize `build.gradle` moving `add-opens` for `java.base/java.util` to common config block
* Upgrade dependencies to latest reasonable * Add `6.4.x` branch to Dependabot config * Move `whats-new.adoc` content to `changes-6.3-6.4.adoc` * Optimize `build.gradle` moving `add-opens` for `java.base/java.util` to common config block