Regression tests: wire through --use-local-cdk option to GHA (#38287)

.github/workflows/regression_tests.yml

@@ -25,6 +25,10 @@ on:
         required: true
       streams:
         description: Streams to include in regression tests
+      use_local_cdk:
+        description: Use the local CDK when building the target connector
+        default: "false"
+        type: boolean
 
 jobs:
   regression_tests:
@@ -73,6 +77,15 @@ jobs:
             echo "STREAM_PARAMS=--connector_regression_tests.selected-streams=$STREAMS" >> $GITHUB_ENV
           fi
 
+      - name: Setup Local CDK Flag
+        if: github.event_name == 'workflow_dispatch'
+        run: |
+          if ${{ github.event.inputs.use_local_cdk }}; then
+            echo "USE_LOCAL_CDK_FLAG=--use-local-cdk" >> $GITHUB_ENV
+          else
+            echo "USE_LOCAL_CDK_FLAG=" >> $GITHUB_ENV
+          fi
+
       - name: Run Regression Tests [WORKFLOW DISPATCH]
         if: github.event_name == 'workflow_dispatch' # TODO: consider using the matrix strategy (https://docs.github.com/en/actions/using-jobs/using-a-matrix-for-your-jobs). See https://github.com/airbytehq/airbyte/pull/37659#discussion_r1583380234 for details.
         uses: ./.github/actions/run-airbyte-ci
@@ -89,4 +102,4 @@ jobs:
           github_token: ${{ secrets.GH_PAT_MAINTENANCE_OSS }}
           s3_build_cache_access_key_id: ${{ secrets.SELF_RUNNER_AWS_ACCESS_KEY_ID }}
           s3_build_cache_secret_key: ${{ secrets.SELF_RUNNER_AWS_SECRET_ACCESS_KEY }}
-          subcommand: connectors --name ${{ github.event.inputs.connector_name }} test --only-step connector_regression_tests --connector_regression_tests.connection-id=${{ github.event.inputs.connection_id }} --connector_regression_tests.pr-url=${{ github.event.inputs.pr_url }} ${{ env.STREAM_PARAMS }}
+          subcommand: connectors ${{ env.USE_LOCAL_CDK_FLAG }} --name ${{ github.event.inputs.connector_name }} test --only-step connector_regression_tests --connector_regression_tests.connection-id=${{ github.event.inputs.connection_id }} --connector_regression_tests.pr-url=${{ github.event.inputs.pr_url }} ${{ env.STREAM_PARAMS }}