Dog meet food (#1545)

* Dog meet food

Start dogfooding ourselves

* Make us more diligent and simplify skipping hidden files

* Add a name to our action

.github/workflows/codespell.yml

diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 49cfd10..5b4968a 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -1,13 +1,16 @@
 # GitHub Action to automate the identification of common misspellings in text files.
+# https://github.com/codespell-project/actions-codespell
 # https://github.com/codespell-project/codespell
 name: codespell
 on: [push, pull_request]
 jobs:
   codespell:
+    name: Check for spelling errors
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-python@v1
-      - run: pip install codespell
-      # When using this Action in other repos, the --skip option below can be removed
-      - run: codespell --skip=./.*,./codespell_lib/data,./example/code.c,test_basic.py,*.pyc
+      - uses: codespell-project/actions-codespell@master
+        with:
+          check_filenames: true
+          # When using this Action in other repos, the --skip option below can be removed
+          skip: ./codespell_lib/data,./example/code.c,test_basic.py,*.pyc