Update version to 0.4.4

Author: boriskaus

Project.toml

@@ -1,7 +1,7 @@
 name = "PETSc"
 uuid = "ace2c81b-2b5f-4b1e-a30d-d662738edfe0"
-version = "0.4.3"
-authors = ["Boris Kaus <kaus@uni-mainz.de>", "Viral B. Shah <virals@gmail.com>", "Erik Schnetter <eschnetter@perimeterinstitute.ca>", "Jeremy E. Kozdon <jeremy@kozdon.net>", "Simon Byrne <simonbyrne@gmail.com>"]
+version = "0.4.4"
+authors = ["Boris Kaus <kaus@uni-mainz.de>", "Viral B. Shah <virals@gmail.com>", "Valentin Churavy <v.churavy@gmail.com>", "Erik Schnetter <eschnetter@perimeterinstitute.ca>", "Jeremy E. Kozdon <jeremy@kozdon.net>", "Simon Byrne <simonbyrne@gmail.com>"]
 
 [deps]
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"