[jdk8u-dev] RFR: Merge jdk8u:master

[Andrew John Hughes]

On Wed, 16 Apr 2025 01:26:07 GMT, Andrew John Hughes <andrew at openjdk.org> wrote:

> Merge jdk8u452-ga

"This is a scheduled Ubuntu 20.04 retirement. Ubuntu 20.04 LTS runner will be removed on 2025-04-15. For more details, see https://github.com/actions/runner-images/issues/11101"

We need to fix this, but integrating as this is a merge of a release which can't be altered after the fact anyway.

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PR Comment: https://git.openjdk.org/jdk8u-dev/pull/647#issuecomment-2807975419