[jdk11u-dev] RFR: 8331643: [11u]: Bump GHA bootstrap JDK to 11.0.23

[Christoph Langer]

>From time to time the GHA bootstrap JDK in the update releases should be bumped. So let's take the current verion 11.0.23 from Temurin.

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Commit messages:
 - JDK-8331643

Changes: https://git.openjdk.org/jdk11u-dev/pull/2697/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2697&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8331643
  Stats: 6 lines in 1 file changed: 0 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2697.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2697/head:pull/2697

PR: https://git.openjdk.org/jdk11u-dev/pull/2697