chore: add Dependabot config (#674)

Author: mbevc1

.github/dependabot.yml

@@ -0,0 +1,43 @@
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  # Go module dependencies
+  - package-ecosystem: "gomod"
+    open-pull-requests-limit: 10
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"
+      day: "tuesday"
+      time: "11:00"
+    # Group minor and patch updates
+    groups:
+      go-dependencies:
+        patterns:
+          - "*"
+        update-types:
+          - "minor"
+          - "patch"
+    labels:
+      - "dependencies"
+      - "go"
+  # GitHub Actions
+  - package-ecosystem: "github-actions"
+    open-pull-requests-limit: 10
+    directory: "/"
+    schedule:
+      # Check for updates to GitHub Actions every week
+      interval: "weekly"
+      day: "tuesday"
+      time: "11:00"
+    groups:
+      github-actions-dependencies:
+        patterns:
+          - "*"
+        update-types:
+          - "minor"
+          - "patch"
+    labels:
+      - "dependencies"
+      - "github-actions"