fix(migration): remove Task completed message during plugin update

[MyvTsv]

Checklist before requesting a review

Please delete options that are not relevant.

• I have performed a self-review of my code.
• I have added tests (when available) that prove my fix is effective or that my feature works.
• I have updated the CHANGELOG with a short functional description of the fix or new feature.
• This change requires a documentation update.

Description

• It fixes !39063
• When an update to the datainjection plugin is performed, the message “Task completed” is displayed once it is finished. This fix removes this message because it is only present for this plugin.

Screenshots (if appropriate):