docs: add jq (JSON processor) contributor requirement

[MikeMcC399]

Description

Add the requirement to the CONTRIBUTING to install jq using a link to https://jqlang.org/download/

Motivation and Context

PR #2598 adds additional usage of jq in the update.sh script.

Now if jq is not installed, a lot of error messages are output.

Testing Details

Get jq using the instructions on https://jqlang.org/download/ and execute ./update.sh.

Types of changes

• Documentation
• Version change (Update, remove or add more Node.js versions)
• Variant change (Update, remove or add more variants, or versions of variants)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Other (none of the above)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING.md document.
• All new and existing tests passed.

[MattIPv4]

jq was already used in the script prior to that change, so I'm surprised this hasn't been an issue before!

[MikeMcC399]

@MattIPv4

jq was already used in the script prior to that change, so I'm surprised this hasn't been an issue before!

You're right. I've changed the text in the OP accordingly.