Add dependabot configuration (#392)

Signed-off-by: Todd Ekenstam <Todd_Ekenstam@intuit.com>

.github/dependabot.yml

@@ -0,0 +1,30 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    ignore:
+      - dependency-name: "k8s.io*" ## K8s module version updates should be done explicitly
+        update-types: ["version-update:semver-major", "version-update:semver-minor"]
+      - dependency-name: "sigs.k8s.io*" ## K8s module version updates should be done explicitly
+        update-types: ["version-update:semver-major", "version-update:semver-minor"]
+      - dependency-name: "*" ## Major version updates should be done explicitly
+        update-types: ["version-update:semver-major"]
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    ignore:
+      - dependency-name: "golang" ## Golang version should be done explicitly