Merge pull request #23 from carbonplan/pre-commit-ci-update-config

[pre-commit.ci] pre-commit autoupdate

Author: Joe Hamman

.pre-commit-config.yaml

@@ -29,7 +29,7 @@ repos:
       - id: isort
 
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v2.5.1
+    rev: v2.6.0
     hooks:
       - id: prettier
         language_version: system