Merge pull request #1004 from himynameisjonas/patch-1

Fix repository link for buildkite-agent-scaler

Author: moskyb

docs/updating-buildkite-agent-scaler.md

@@ -1,6 +1,6 @@
 # Updating buildkite-agent-scaler
 
-The [buildkite-agent-scaler](https://buildkite.com/buildkite/buildkite-agent-scaler)
+The [buildkite-agent-scaler](https://github.com/buildkite/buildkite-agent-scaler)
 is brought in to the Elastic CI Stack for AWS template using the AWS
 Serverless Application Repository.