Update mk-ca-bundle.pl url

[IljaN]

Location was changed by upstream

Description

Related Issue

• Fixes <issue_link>

Motivation and Context

How Has This Been Tested?

• test environment:
• test case 1:
• test case 2:
• ...

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Database schema changes (next release will require increase of minor version instead of patch)
• Breaking change (fix or feature that would cause existing functionality to change)
• Technical debt
• Tests only (no source changes)

Checklist:

• Code changes
• Unit tests added
• Acceptance tests added
• Documentation ticket raised:
• Changelog item, see TEMPLATE

[update-docs]

Thanks for opening this pull request! The maintainers of this repository would appreciate it if you would create a changelog item based on your changes.

[phil-davis]

It looks like "something happens" (tm) in https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases/tag/v3.9.1 a few minutes ago.
https://drone.owncloud.com/owncloud/core/36269/3/7
Lots of code-style things reported. Unrelated to this PR. I will look...

[phil-davis]

I pinned the code-style-checker to the previous version #40197 (comment) and restarted CI here. Hopefully code-style will pass now.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[jvillafanez]

Not sure if the script is stable enough to use a pinned version. It's either check periodically if there is a new version of the script, or check if the script has been moved from place and we have a broken link.