Fix link from fargate README. (#8403)
Fix link from fargate README. (#8403)

At some point, this link got mixed up with another in the document. This commit restores it to the correct example that's being referenced.
DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core