Initialize dependabot

Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com>

.github/dependabot.yaml

@@ -0,0 +1,23 @@
+version: 2
+updates:
+  # Enable version updates for Go modules
+  - package-ecosystem: "gomod"
+    # Look for `go.mod` and `sum` files in the `root` directory
+    directory: "/"
+    # Check the go modules for updates every day (weekdays)
+    schedule:
+      interval: "daily"
+
+  # Enable version updates for Docker
+  - package-ecosystem: "docker"
+    # Look for a `Dockerfile` in the `root` directory
+    directory: "/"
+    # Check for updates once a week
+    schedule:
+      interval: "weekly"
+
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"