git: openjdk/jdk11u: 8314678: Bump update version for OpenJDK: jdk-11.0.20.1

[Volker Simonis]

Changeset: 1b3c516e
Author:    Ben Taylor <btaylor at openjdk.org>
Committer: Volker Simonis <simonis at openjdk.org>
Date:      2023-08-22 15:02:45 +0000
URL:       https://git.openjdk.org/jdk11u/commit/1b3c516eff4fcfb67cea4005be80d0812b2a74f0

8314678: Bump update version for OpenJDK: jdk-11.0.20.1

Reviewed-by: simonis, goetz

! .jcheck/conf
! make/autoconf/version-numbers