aws_sns_topic property needs to be quoted in create or replace pipe s…

…tatement according to doc

macros/external/create_snowpipe.sql

@@ -58,7 +58,7 @@
 {# https://docs.snowflake.com/en/sql-reference/sql/create-pipe.html #}
     create or replace pipe {{source(source_node.source_name, source_node.name)}}
         {% if snowpipe.auto_ingest -%} auto_ingest = {{snowpipe.auto_ingest}} {%- endif %}
-        {% if snowpipe.aws_sns_topic -%} aws_sns_topic = {{snowpipe.aws_sns_topic}} {%- endif %}
+        {% if snowpipe.aws_sns_topic -%} aws_sns_topic = '{{snowpipe.aws_sns_topic}}' {%- endif %}
         {% if snowpipe.integration -%} integration = '{{snowpipe.integration}}' {%- endif %}
         as {{ dbt_external_tables.snowflake_get_copy_sql(source_node) }}