chore(deps): bump rrainn/dynamodb-action in /.github/workflows (#749)

Bumps [rrainn/dynamodb-action](https://github.com/rrainn/dynamodb-action) from 2.0.1 to 3.0.0.

Author: dependabot[bot]

.github/workflows/ci_test_vector_net.yml

@@ -22,7 +22,7 @@ jobs:
       contents: read
     steps:
       - name: Setup DynamoDB Local
-        uses: rrainn/dynamodb-action@v2.0.1
+        uses: rrainn/dynamodb-action@v3.0.0
         with:
           port: 8000
           cors: '*'