Update rapidsai/pre-commit-hooks (#624)

This PR updates rapidsai/pre-commit-hooks to the version 0.4.0.

Authors:
  - Kyle Edwards (https://github.com/KyleFromNVIDIA)

Approvers:
  - James Lamb (https://github.com/jameslamb)

URL: #624

.pre-commit-config.yaml

@@ -15,7 +15,7 @@ repos:
                 args: ["--config=.flake8"]
                 files: python/.*$
       - repo: https://github.com/rapidsai/pre-commit-hooks
-        rev: v0.3.1
+        rev: v0.4.0
         hooks:
             - id: verify-alpha-spec
       - repo: https://github.com/rapidsai/dependency-file-generator