fix url issue for codespaces

[lechnerc77]

Purpose

• Fixes wrong URL for dev codespace

Does the PR solve an issue

[X] Yes - #437 
[ ] No

Does this introduce a breaking change?

[ ] Yes
[X] No

Pull Request Type

What kind of change does this Pull Request introduce?

[X] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

Klick the codespace button for the dev branch

What to Check

Verify that the following are valid

• Page for GH Codespace opens successfully

Other Information

Closes #437