chore: add dependbot for check dep (#204)

Signed-off-by: jokemanfire <hu.dingyang@zte.com.cn>

.github/dependabot.yml

@@ -0,0 +1,26 @@
+version: 2
+updates:
+  - package-ecosystem: "cargo"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    labels:
+      - T-dependencies
+    open-pull-requests-limit: 3
+    commit-message:
+      prefix: "chore"
+      include: "scope"
+
+  # Ensure that references to actions in a repository's workflow.yml file are kept up to date.
+  # See https://docs.github.com/en/code-security/supply-chain-security/keeping-your-dependencies-updated-automatically/keeping-your-actions-up-to-date-with-dependabot
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    labels:
+      # Mark PRs as CI related change.
+      - T-CI
+    open-pull-requests-limit: 3
+    commit-message:
+      prefix: "chore"
+      include: "scope"