Spark Enrich: bump SBT Assembly to 0.14.7 (closes #3844)
Spark Enrich: bump SBT Assembly to 0.14.7 (closes #3844)

RetentionGrid/snowplow,RetentionGrid/snowplow,liveintent-berlin/snowplow,snowplow/snowplow,liveintent-berlin/snowplow,liveintent-berlin/snowplow,liveintent-berlin/snowplow,snowplow/snowplow,snowplow/snowplow,liveintent-berlin/snowplow,RetentionGrid/snowplow,RetentionGrid/snowplow,liveintent-berlin/snowplow,RetentionGrid/snowplow,snowplow/snowplow