Merge pull request #29 from fverdugo/compathelper/new_version/2021-05-25-00-32-30-067-1147851999

CompatHelper: bump compat for "MPI" to "0.18"

Author: fverdugo

Project.toml

@@ -13,7 +13,7 @@ SparseMatricesCSR = "a0a7dd2c-ebf4-11e9-1f05-cf50bc540ca1"
 
 [compat]
 IterativeSolvers = "0.9"
-MPI = "0.16, 0.17"
+MPI = "0.16, 0.17, 0.18"
 SparseMatricesCSR = "0.6"
 julia = "1.1"