Enable dependabot to update GitHub actions

tautschnig · tautschnig · commit ca9f8f7dc67c · 2023-12-18T12:08:27.000Z
Dependabot will issue PRs when new releases of GitHub actions are
available.
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
@@ -0,0 +1,8 @@
+# https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
