Fixed the link to Cadence comparison example (#244)

Signed-off-by: Mikael Koskinen <[email protected]>

Author: mikoskinen

comparisons/README.md

@@ -6,4 +6,4 @@ Following comparison documents are available:
 * [Brigade comparison examples](comparison-brigade.md)
 * [Google Cloud Workflow comparison examples](comparison-google-cloud-workflows.md)
 * [Temporal comparison examples](comparison-temporal.md)
-* [Cadence comparison examples](comparison-temporal.md)
+* [Cadence comparison examples](comparison-cadence.md)