git: openjdk/jdk21: 8312985: Remove EA from the JDK 21 version string with first RC promotion on August 10, 2023

[Jesper Wilhelmsson]

Changeset: bfe037a4
Author:    Jesper Wilhelmsson <jwilhelm at openjdk.org>
Date:      2023-08-07 23:39:12 +0000
URL:       https://git.openjdk.org/jdk21/commit/bfe037a476976f4ab38f79d52c8bcd82782d786c

8312985: Remove EA from the JDK 21 version string with first RC promotion on August 10, 2023

Reviewed-by: mikael

! make/conf/version-numbers.conf