Add canary region as lambda terraform input (#300)

*Description of changes:*
Add canary region as lambda terraform input

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under the terms of the Apache 2.0 license.

Author: mxiamxia

.github/workflows/node-lambda-test.yml

@@ -136,6 +136,7 @@ jobs:
           -var="sdk_layer_name=AWSOpenTelemetryDistroJs-${{ github.run_id }}" 
           -var="function_name=${{env.TERRAFORM_LAMBDA_FUNCTION_NAME}}" 
           -var="layer_artifacts_directory=${{ env.ARTIFACTS_DIR }}"
+          -var="region=${{ env.E2E_TEST_AWS_REGION }}"
           -var="is_canary=${{ env.IS_CANARY }}"'
           max_retry: 6
           sleep_time: 60

.github/workflows/python-lambda-test.yml

@@ -152,6 +152,7 @@ jobs:
           -var="sdk_layer_name=AWSOpenTelemetryDistroPython-${{ github.run_id }}" 
           -var="function_name=${{env.TERRAFORM_LAMBDA_FUNCTION_NAME}}"
           -var="layer_artifacts_directory=${{ env.ARTIFACTS_DIR }}"
+          -var="region=${{ env.E2E_TEST_AWS_REGION }}"
           -var="is_canary=${{ env.IS_CANARY }}"'
           max_retry: 6
           sleep_time: 60