Cherry-pick #21981 to 7.x: fix the url of reviewdog

[jsoriano]

Cherry-pick of PR #21981 to 7.x branch. Original message:

• Bug

What does this PR do?

Updates the url of reviewdog.

Why is it important?

related to #21976
It looks that Go tries to install the reviewdog from github.com/haya14busa/reviewdog, but the reviewdog was moved to reviewdog organization.
New url of the reviewdog is github.com/reviewdog/reviewdog.

Checklist

• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have made corresponding change to the default configuration files
• I have added tests that prove my fix is effective or that my feature works
• I have added an entry in CHANGELOG.next.asciidoc or CHANGELOG-developer.next.asciidoc.

Author's Checklist

• [ ]

How to test this PR locally

Related issues

Use cases

Screenshots

Logs

[elasticmachine]

Pinging @elastic/integrations (Team:Integrations)

[elasticmachine]

💚 Build Succeeded

the below badges are clickable and redirect to their specific view in the CI or DOCS

Expand to view the summary

Build stats

• Build Cause: [Pull request #22068 opened]

• Start Time: 2020-10-22T08:09:19.136+0000

• Duration: 27 min 42 sec