refactor: resilience (#569)

we even also need to escape the `&` character

Author: mfranzke

.husky/pre-commit

@@ -3,7 +3,7 @@ validate-branch-name
 echo "### lint staged files ###"
 lint-staged
 echo "### prettify staged files ###"
-prettier $(git diff --cached --name-only --diff-filter=ACMR | sed 's| |\\ |g') --write --ignore-unknown
+prettier $(git diff --cached --name-only --diff-filter=ACMR | sed 's|( |&)|\\ |g') --write --ignore-unknown
 git update-index --again
 echo "### check for commit mail ###"
 node ./scripts/check-commit-mail.mjs