Integrated: 7262: Add rule for when the JVM version is < OpenJDK 8u302

[Oskar Jung]

On Tue, 1 Jun 2021 11:49:06 GMT, Oskar Jung <github.com+1101441+ojung at openjdk.org> wrote:

> This PR contains a rule for notifying users of JVM < OpenJDK8u302 to upgrade to avoid performance issues caused by https://bugs.openjdk.java.net/browse/JDK-8266723.
> 
> **JFR recorded on OpenJDK 8u302 EA:**
> ![Screen Shot 2021-06-02 at 14 45 46](https://user-images.githubusercontent.com/1101441/120482697-a9c7bf80-c3b1-11eb-83e0-7d17b23cfd99.png)
> 
> **JFR recorded on OpenJDK 8u292:**
> ![Screen Shot 2021-06-02 at 15 49 14](https://user-images.githubusercontent.com/1101441/120492943-ce746500-c3ba-11eb-999c-e75bf3fba245.png)

This pull request has now been integrated.

Changeset: f2e80e7a
Author:    Oskar Jung <jung.oskar at gmail.com>
Committer: Marcus Hirt <hirt at openjdk.org>
URL:       https://git.openjdk.java.net/jmc/commit/f2e80e7ae9b75ec34b2234760e96c72fe91652e7
Stats:     746 lines in 10 files changed: 738 ins; 0 del; 8 mod

7262: Add rule for when the JVM version is < OpenJDK 8u302

Reviewed-by: hirt

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PR: https://git.openjdk.java.net/jmc/pull/256