Add missing r

Author: wtgodbe

.azure/pipelines/ci-unofficial.yml

@@ -75,7 +75,7 @@ variables:
     exclude:artifacts
 - template: /eng/common/templates-official/variables/pool-providers.yml@self
 
-esources:
+resources:
   repositories:
   # Repo: 1ESPipelineTemplates/1ESPipelineTemplates
   - repository: 1esPipelines