[ci] Add component db to components #27 (#28)

Update pr_title.yaml

.github/workflows/pr_title.yaml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/github-script@v6
         with:
           script: |
-            const regex = RegExp("^\\[(ci|commands|docs|graph|query|storage|tests)\\] .+ #[\\d]+$")
+            const regex = RegExp("^\\[(ci|commands|db|docs|graph|query|storage|tests)\\] .+ #[\\d]+$")
             const title = context.payload.pull_request.title
 
             if (!regex.test(title)) {