add dependabot workflow

Author: ayoisaiah

.github/dependabot.yml

@@ -0,0 +1,31 @@
+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      actions:
+        patterns:
+          - "*"
+
+  # Maintain dependencies for Go modules
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      go-dependencies:
+        patterns:
+          - "*"
+
+  # Maintain dependencies for NPM
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      npm-dependencies:
+        patterns:
+          - "*"