chore(changeset): update

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

Author: bcakmakoglu

.changeset/spicy-cups-argue.md

@@ -2,4 +2,6 @@
 "@vue-flow/background": minor
 ---
 
-Re-export `<Background>` from core pkg
+Remove `@vue-flow/background` package.
+
+Use the export provided by `@vue-flow/core`.