CompatHelper: bump compat for MutableArithmetics to 1, (keep existing compat) (#108)

Co-authored-by: CompatHelper Julia <[email protected]>

Author: github-actions[bot]

Project.toml

@@ -16,7 +16,7 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 [compat]
 DataStructures = "0.17, 0.18"
 MultivariatePolynomials = "0.4.1"
-MutableArithmetics = "0.3"
+MutableArithmetics = "0.3, 1"
 Reexport = "0.2, 1.0"
 julia = "1"