Bump version from 1.1.0-beta to 1.1.0

Author: btobers

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pygem"
-version = "1.1.0-beta"
+version = "1.1.0"
 description = "Python Glacier Evolution Model (PyGEM)"
 authors = ["David Rounce <drounce@cmu.edu>,Brandon Tober <btober@cmu.edu>"]
 license = "MIT License"
@@ -97,4 +97,4 @@ ignore = [
 [tool.coverage.report]
 omit = ["pygem/tests/*"]
 show_missing = true
-skip_empty = true
+skip_empty = true