git: openjdk/jdk: 8286037: Bump minimum boot jdk to JDK 19

[Mikael Vidstedt]

Changeset: 85569e96
Author:    Mikael Vidstedt <mikael at openjdk.org>
Date:      2022-10-06 17:34:14 +0000
URL:       https://git.openjdk.org/jdk/commit/85569e966c22e5b5314a157d05c43c0f6e8c2b28

8286037: Bump minimum boot jdk to JDK 19

Reviewed-by: ctornqvi, darcy, shade, erikj

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