Update heroku/buildpacks-jvm to v1.1.2

[heroku-linguist]

heroku/java

• Updated heroku/jvm to 1.1.2.
• Updated heroku/maven to 1.1.2.

heroku/java-function

• Updated heroku/jvm to 1.1.2.
• Updated heroku/maven to 1.1.2.
• Updated heroku/jvm-function-invoker to 1.1.2.

heroku/jvm

• Default version for OpenJDK 8 is now 1.8.0_382. (#543)
• Default version for OpenJDK 11 is now 11.0.20. (#543)
• Default version for OpenJDK 17 is now 17.0.8. (#543)
• Default version for OpenJDK 20 is now 20.0.2. (#543)

heroku/jvm-function-invoker

• No changes.

heroku/maven

• No changes.

heroku/sbt

• No changes.

heroku/scala

• Updated heroku/jvm to 1.1.2.
• Updated heroku/sbt to 1.1.2.

[edmorley]

@Malax It looks like the script doesn't handle multiple version bumps - it's missing the changelog entries from 1.1.1 in the PR description. (Somewhat of an edge case and not that important, so happy to see if missing a release happens much longer term before deciding whether it's worth fixing)