git: openjdk/jdk15u-dev: 8269356: Bump update version for OpenJDK: jdk-15.0.5

[Yuri Nesterenko]

Changeset: 91231cb0
Author:    Yuri Nesterenko <yan at openjdk.org>
Date:      2021-06-28 10:30:56 +0000
URL:       https://git.openjdk.java.net/jdk15u-dev/commit/91231cb00c144ecdf98858a64ec25f38ac7e4c51

8269356: Bump update version for OpenJDK: jdk-15.0.5

Reviewed-by: dcherepanov

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