fix: update github link for autoware prefix

[N-Eiki]

Description

The github link has changed due to the modification of the autoware prefix.
This meant that it was no longer possible to access github from the module's link in the diagram, so this has been fixed.

Pre-review checklist for the PR author

The PR author must check the checkboxes below when creating the PR.

• I've confirmed the contribution guidelines.
• The PR follows the pull request guidelines.

In-review checklist for the PR reviewers

The Reviewers must check the checkboxes below before approval.

• The PR follows the pull request guidelines.

Post-review checklist for the PR author

The PR author must check the checkboxes below before merging.

• There are no open discussions or they are tracked via tickets.

After all checkboxes are checked, anyone who has write access can merge the PR.

[github-actions]

Documentation URL: https://autowarefoundation.github.io/autoware-documentation/pr-608/
Modified URLs:

[N-Eiki]

we can access to Github by below draw.io node-diagram
https://autowarefoundation.github.io/autoware-documentation/pr-608/design/autoware-architecture/node-diagram/

[shmpwk]

Excellent!