chore(ci): enable dependabot

Signed-off-by: alacuku <aldo@lacuku.eu>

Author: alacuku

.github/workflows/dependabot.yaml

@@ -0,0 +1,22 @@
+version: 2
+updates:
+  - package-ecosystem: gomod
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 10
+    groups:
+      gomod:
+        update-types:
+          - "patch"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 10
+    groups:
+      actions:
+        update-types:
+          - "minor"
+          - "patch"