Update rebuild-strategy.mdx

[LukasGentele]

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

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

Please provide a short message that should be published in the DevSpace release notes Fixed an issue where DevSpace ...

What else do we need to know?