[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

inst/pre-commit-hooks.yaml

@@ -33,7 +33,7 @@
     description: check if a .R file is parsable
     entry: Rscript inst/hooks/exported/parsable-R.R
     language: r
-    files: '\.[rR]$'
+    files: '\.[rR](md)?$'
     minimum_pre_commit_version: "2.13.0"
 -   id: readme-rmd-rendered
     name: readme-rmd-rendered