add update dependency graph workflow

.github/workflows/dependency-graph.yml

@@ -0,0 +1,17 @@
+# ref : https://www.scala-lang.org/blog/2022/07/18/secure-your-dependencies-on-github.html
+name: Update Dependency Graph
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  update-graph:
+    name: Update Dependency Graph
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: scalacenter/sbt-dependency-submission@v2
+        with:
+          working-directory: './'