[jdk11u-dev] RFR: 8320884: Bump update version for OpenJDK: jdk-11.0.23

[Goetz Lindenmaier]

Required version update

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Commit messages:
 - 8320884: Bump update version for OpenJDK: jdk-11.0.23

Changes: https://git.openjdk.org/jdk11u-dev/pull/2301/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2301&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8320884
  Stats: 3 lines in 2 files changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2301.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2301/head:pull/2301

PR: https://git.openjdk.org/jdk11u-dev/pull/2301