If you have multiple developers working on the project, any updates made to the resource strings and committed to code will overwrite what is in the database when you run the CI Restore after pulling changes in from the pull requests.
If you're concerned about code overwriting what a content editor is updating, then you'll need to either change your process to do all your changes in one area until the main part of your dev work is done so you don't run into issues like you're explaining.