feat: update AWS service endpoints metadata

Author: aws-sdk-kotlin-ci

codegen/aws-sdk-codegen/src/main/resources/aws/sdk/kotlin/codegen/endpoints.json

@@ -27736,6 +27736,16 @@
           "us-isob-east-1" : { }
         }
       },
+      "medialive" : {
+        "endpoints" : {
+          "us-isob-east-1" : { }
+        }
+      },
+      "mediapackage" : {
+        "endpoints" : {
+          "us-isob-east-1" : { }
+        }
+      },
       "metering.marketplace" : {
         "defaults" : {
           "credentialScope" : {