Integrated: 8263204: Add Gradle Wrapper Validation Action

[John Neffenger]

On Mon, 8 Mar 2021 20:34:05 GMT, John Neffenger <github.com+1413266+jgneff at openjdk.org> wrote:

> See the [Gradle Wrapper Validation Action](https://github.com/marketplace/actions/gradle-wrapper-validation) for details on this pull request. I'll test the changes with the following sequence of commits:
> 
> 1. This commit adds a tampered Gradle Wrapper JAR file, which should go undetected.
> 2. The next commit will add the Official Gradle Wrapper Validation Action, which should detect the tampered file.
> 3. The final commit will remove the tampered file and replace it with the original Gradle 4.8 Wrapper.

This pull request has now been integrated.

Changeset: 75b4c15c
Author:    John Neffenger <john at status6.com>
Committer: Kevin Rushforth <kcr at openjdk.org>
URL:       https://git.openjdk.java.net/jfx/commit/75b4c15c
Stats:     14 lines in 1 file changed: 11 ins; 3 del; 0 mod

8263204: Add Gradle Wrapper Validation Action

Reviewed-by: kcr

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PR: https://git.openjdk.java.net/jfx/pull/419