[Python-checkins] Allow dependabot to check GitHub actions monthly (GH-22787)

[miss-islington]

https://github.com/python/cpython/commit/697109bbf3929402b415304dddc386edc54b1b69
commit: 697109bbf3929402b415304dddc386edc54b1b69
branch: master
author: John Losito <lositojohnj at gmail.com>
committer: miss-islington <31488909+miss-islington at users.noreply.github.com>
date: 2020-10-23T14:06:13-07:00
summary:

Allow dependabot to check GitHub actions monthly (GH-22787)



Let Dependabot update GitHub Actions dependency once a month.

Here's reference to the dependabot configs.

https://docs.github.com/en/free-pro-team@latest/github/administering-a-repository/keeping-your-actions-up-to-date-with-github-dependabot

files:
A .github/dependabot.yml

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000000000..8ac6b8c4984dc
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"