[AVA] [data-plane] update a few examples for docs reason (#14479)

Author: giakas

specification/videoanalyzer/data-plane/VideoAnalyzer.Edge/preview/1.0.0/AzureVideoAnalyzer.json

@@ -1252,12 +1252,12 @@
         },
         "minimumActivationTime": {
           "type": "string",
-          "example": "PT1S",
+          "example": "PT10S",
           "description": "The minimum period for which the gate remains open in the absence of subsequent triggers (events). When used upstream of a file or video sink, it determines the minimum length of the recorded video clip."
         },
         "maximumActivationTime": {
           "type": "string",
-          "example": "PT2S",
+          "example": "PT10S",
           "description": "The maximum period for which the gate remains open in the presence of subsequent triggers (events). When used upstream of a file or video sink, it determines the maximum length of the recorded video clip."
         }
       },