Dependabot refinement.

.github/dependabot.yml

@@ -1,13 +1,31 @@
 # Query daily for npm dependency updates.
 
 version: 2
+
 updates:
-  # Enable version updates for npm
-  - package-ecosystem: "npm"
-    # Look for `package.json` and `lock` files in the `root` directory
+
+  # Enable version updates for github-actions.
+  - package-ecosystem: "github-actions"
+
+    # Look for ".github/workflows" in the "root" directory.
     directory: "/"
-    # Check the npm registry for updates every day (weekdays)
+
+    # Check for updated GitHub Actions every weekdays.
     schedule:
       interval: "daily"
+
+    # Allow up to ten pull requests to be generated at any one time.
     open-pull-requests-limit: 10
 
+  # Enable version updates for npm.
+  - package-ecosystem: "npm"
+
+    # Look for "package.json" and "package-lock.json" files in the "root" directory.
+    directory: "/"
+
+    # Check the npm registry for updates every weekday.
+    schedule:
+      interval: "daily"
+
+    # Allow up to ten pull requests to be generated at any one time.
+    open-pull-requests-limit: 10