Change the value of meta.crossplane.io/source

[sergenyalcin]

Description of your changes

This PR changes the value of meta.crossplane.io/source to fix the source code link.

I have:

• [x] Read and followed Crossplane's contribution process.
• [x] Run make reviewable to ensure this PR is ready for review.
• [ ] Added backport release-x.y labels to auto-backport this PR if necessary.

How has this code been tested

[turkenf]

/test-examples="examples/administrativeunits/unit.yaml"

[turkenf]

/test-examples="examples/app/roleassignment.yaml"

[turkenf]

/test-examples="examples/applications/application.yaml"

[github-actions[bot]]

Successfully created backport PR #119 for release-0.15.