Create dependabot file

Signed-off-by: Khosrow Moossavi <khos2ow@gmail.com>

.github/dependabot.yml

@@ -0,0 +1,25 @@
+version: 2
+updates:
+- package-ecosystem: gomod
+  directory: "/"
+  schedule:
+    interval: daily
+  # setting this to 0 means only allowing security updates, see https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file#open-pull-requests-limit
+  open-pull-requests-limit: 0
+
+- package-ecosystem: github-actions
+  directory: "/"
+  schedule:
+    interval: weekly
+  open-pull-requests-limit: 3
+
+- package-ecosystem: docker
+  directory: "/"
+  schedule:
+    interval: weekly
+  open-pull-requests-limit: 1
+- package-ecosystem: docker
+  directory: "/scripts"
+  schedule:
+    interval: weekly
+  open-pull-requests-limit: 1