RFR: 7929: Add release splash for 8.3

[Alex Macdonald]

On Thu, 13 Oct 2022 15:32:10 GMT, Marcus Hirt <hirt at openjdk.org> wrote:

> What it says.

Marked as reviewed by aptmac (Reviewer).

application/tests/org.openjdk.jmc.flightrecorder.flameview.test/META-INF/MANIFEST.MF line 2:

> 1: Manifest-Version: 1.0
> 2: Bundle-Version: 8.0.1.qualifier

8.3.0?

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PR: https://git.openjdk.org/jmc/pull/441