.github: fix python CDK publish workflow

Author: Marius Posta

.github/workflows/publish-cdk-command-manually.yml

@@ -73,7 +73,7 @@ jobs:
           repository: ${{ github.event.inputs.repo }}
           ref: ${{ github.event.inputs.gitref }}
       - name: Build CDK Package
-        run: ./gradlew --no-daemon --no-build-cache :airbyte-cdk:python:build
+        run: (cd airbyte-cdk/python; ./gradlew --no-daemon --no-build-cache :build)
       - name: Post failure to Slack channel dev-connectors-extensibility
         if: ${{ failure() }}
         uses: slackapi/[email protected]