fix: check `update.Error != nil` but return a nil value error `err` by alingse · Pull Request #2921

fix: check `update.Error != nil` but return a nil value error `err` by alingse · Pull Request #2921 · devspace-sh/devspace

What issue type does this pull request address? (keep at least one, remove the others)
/kind bugfix

What does this pull request do? Which issues does it resolve? (use resolves #<issue_number> if possible)
resolves #

avoid to return a nil err

Please provide a short message that should be published in the DevSpace release notes

fix a bug

What else do we need to know?
I have an idea to detect code that returns a non-relevant nilness error bug. I checked the top 1000 GitHub Go repositories and found this, all result listed in alingse/sundrylint#4