Bump bigdecimal version to 0.0.12
Using the latest 0.0.12 version currently leads to compile errors, this fixes that issue.
@@ -29,7 +29,7 @@ ipnetwork = { version = "0.12.2", optional = true }
num-bigint = { version = "0.1.41", optional = true }
num-traits = { version = "0.2", optional = true }
num-integer = { version = "0.1.32", optional = true }
-bigdecimal = { version = ">= 0.0.10, < 0.0.12", optional = true }
+bigdecimal = { version = ">= 0.0.10, < 0.0.13", optional = true }
bitflags = { version = "1.0", optional = true }
r2d2 = { version = ">= 0.8, < 0.9", optional = true }
