Create dependabot.yml (#16)

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>

.github/dependabot.yml

@@ -0,0 +1,14 @@
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    groups:
+       # Name for the group, which will be used in PR titles and branch names
+       all-github-actions:
+          # Group all updates together
+          patterns:
+            - "*"