Bump working version to 1.2.0-dev (#10)

Author: damaki

alire.toml

@@ -1,10 +1,10 @@
 name = "cobs"
 description = "Consistent Overhead Byte Stuffing (COBS) encoder/decoder"
-version = "1.1.0-dev"
+version = "1.2.0-dev"
 
 licenses = "MIT"
 authors = ["Daniel King"]
 maintainers = ["Daniel King <damaki.gh@gmail.com>"]
 maintainers-logins = ["damaki"]
 website = "https://github.com/damaki/cobs"
-tags = ["cobs", "spark", "embedded", "nostd"]
+tags = ["cobs", "spark", "embedded", "nostd"]