Fix default vlaue for webhooks.structuredMessage

Fixes #82

Author: aalmiray

docs/modules/reference/pages/announce/webhooks.adoc

@@ -73,7 +73,7 @@ announce:
 
       # Whether to send the payload as is or format it as a
       # JSON object with a `#{messageProperty}` property.
-      # Defaults to `true`.
+      # Defaults to `false`.
       # icon:dot-circle[]
       structuredMessage: false
 ----
@@ -132,7 +132,7 @@ TOML::
 
   # Whether to send the payload as is or format it as a
   # JSON object with a `#{messageProperty}` property.
-  # Defaults to `true`.
+  # Defaults to `false`.
   # icon:dot-circle[]
   structuredMessage = false
 ----
@@ -198,7 +198,7 @@ JSON::
 
         // Whether to send the payload as is or format it as a
         // JSON object with a `#{messageProperty}` property.
-        // Defaults to `true`.
+        // Defaults to `false`.
         // icon:dot-circle[]
         "structuredMessage": false
       }
@@ -294,7 +294,7 @@ Maven::
         <!--
           Whether to send the payload as is or format it as a
           JSON object with a `#{messageProperty}` property.
-          Defaults to `true`.
+          Defaults to `false`.
           icon:dot-circle[]
         -->
         <structuredMessage>false</structuredMessage>
@@ -363,7 +363,7 @@ jreleaser {
 
         // Whether to send the payload as is or format it as a
         // JSON object with a `#{messageProperty}` property.
-        // Defaults to `true`.
+        // Defaults to `false`.
         // icon:dot-circle[]
         structuredMessage = false
       }