Merge pull request #2747 from newrelic/λ📝

update Lambda docs link

lib/new_relic/agent/configuration/default_source.rb

@@ -1956,7 +1956,7 @@ def self.enforce_fallback(allowed_values: nil, fallback: nil)
  If `true`, the agent will operate in a streamlined mode suitable for use with short-lived serverless
  functions. NOTE: Only AWS Lambda functions are supported currently and this option is not intended for use
  without
- [New Relic's Ruby Lambda layer](https://docs.newrelic.com/docs/serverless-function-monitoring/aws-lambda-monitoring/get-started/monitoring-aws-lambda-serverless-monitoring/)
+ [New Relic's Ruby Lambda layer based instrumentation](https://docs.newrelic.com/docs/serverless-function-monitoring/aws-lambda-monitoring/instrument-lambda-function/instrument-your-own/)
  offering.
  DESC
  },