Chocolatey: Upgrade packaging to 2.5.7.

[geraldcombs]

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Please take a bit of time giving some details about your pull request:

Kind of change

• [ ] Bug fix
• [x] New non-breaking feature
• [ ] New breaking feature
• [ ] Documentation update
• [ ] Build improvement

Description

What is the goal of this pull request?

Create a Chocolatey package for AsciidoctorJ 2.5.7.

How does it achieve that?

Update the Chocolatey packaging assets for 2.5.7. The package has been submitted and approval status can be tracked at https://community.chocolatey.org/packages/asciidoctorj/2.5.7

Are there any alternative ways to implement this?

Are there any implications of this pull request? Anything a user must know?

Issue

If this PR fixes an open issue, please add a line of the form:

Fixes #Issue

Release notes

Please add a corresponding entry to the file CHANGELOG.adoc

[robertpanzer]

Thank you!