fix(pre-commit): Set min pre-commit to v1.4.3

pre-commit 1.4.3, released 2018-01-02, is the minimum pre-commit version
at which language_version: python3 is translated to the correct py
launcher call on Windows.

Author: Kurt-von-Laven

.pre-commit-hooks.yaml

@@ -4,4 +4,4 @@
   entry: cz check --commit-msg-file
   language: python
   language_version: python3
-  minimum_pre_commit_version: "0.15.4"
+  minimum_pre_commit_version: "1.4.3"