Update RHTAP references

[red-hat-konflux[bot]]

This PR contains the following updates:

Package	Change
quay.io/redhat-appstudio-tekton-catalog/task-source-build	de78aa8 -> dce619d

---

To execute skipped test pipelines write comment /ok-to-test

[red-hat-konflux[bot]]

Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠ Warning: custom changes will be lost.

[gurnben]

/ok-to-test

[clyang82]

/lgtm /approve