modifie standalone example to run with changed slo definition

theodolite/examples/standalone/example-execution.yaml

@@ -8,11 +8,12 @@ resources:
   resourceValues: [1, 2, 3, 4, 5]
 slos:
   - sloType: "lag trend"
-    threshold: 2000
     prometheusUrl: "http://prometheus-operated:9090"
-    externalSloUrl: "http://localhost:80/evaluate-slope"
     offset: 0
-    warmup: 60 # in seconds
+    properties:
+      threshold: 2000
+      externalSloUrl: "http://localhost:80/evaluate-slope"
+      warmup: 60 # in seconds
 execution:
   strategy: "LinearSearch"
   duration: 300 # in seconds
@@ -20,4 +21,4 @@ execution:
   loadGenerationDelay: 30 # in seconds, optional field, default is 0 seconds
   restrictions:
     - "LowerBound"
-configOverrides: []
+configOverrides: []
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