chore(config): add dependabot configuration

Signed-off-by: Patrick Kollitsch <patrick@davids-neighbour.com>

.github/dependabot.yml

@@ -0,0 +1,58 @@
+################################################################################
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+################################################################################
+version: 2
+updates:
+  - package-ecosystem: npm
+    directory: /
+    schedule:
+      interval: weekly
+      day: friday
+      time: "18:00"
+      timezone: Asia/Bangkok
+    assignees:
+      - davidsneighbour
+    reviewers:
+      - davidsneighbour
+    target-branch: main
+    open-pull-requests-limit: 999
+    pull-request-branch-name:
+      separator: /
+    labels:
+      - type:dependencies
+
+  - package-ecosystem: gomod
+    directory: /
+    schedule:
+      interval: weekly
+      day: friday
+      time: "18:00"
+      timezone: Asia/Bangkok
+    assignees:
+      - davidsneighbour
+    reviewers:
+      - davidsneighbour
+    target-branch: main
+    open-pull-requests-limit: 999
+    pull-request-branch-name:
+      separator: /
+    labels:
+      - type:dependencies
+
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+      day: friday
+      time: "18:00"
+      timezone: Asia/Bangkok
+    assignees:
+      - davidsneighbour
+    reviewers:
+      - davidsneighbour
+    target-branch: main
+    open-pull-requests-limit: 999
+    pull-request-branch-name:
+      separator: /
+    labels:
+      - type:dependencies