bump to 3.4.5
[tool.poetry]
name = "splink"
-version = "3.4.4"
+version = "3.4.5"
description = "Fast probabilistic data linkage at scale"
authors = ["Robin Linacre <robinlinacre@hotmail.com>", "Sam Lindsay", "Theodore Manassis", "Tom Hepworth"]
license = "MIT"
