fix: hardcoded cdk version in publish_layer.yaml (#1232)

Author: dreamorosi

Diff for: .github/workflows/publish_layer.yaml

@@ -43,7 +43,7 @@ jobs:
           echo "RELEASE_TAG_VERSION=${RELEASE_TAG_VERSION:1}" >> $GITHUB_ENV
       - name: install cdk and deps
         run: |
-          npm install -g aws-cdk@2.29.0
+          npm install -g aws-cdk@2.55.0
           cdk --version
       - name: install deps
         run: |