chore: Update documentation on Schema annotation

Author: timonback

docs/documenting-schemas.md

@@ -17,7 +17,7 @@ The default Jackson `ModelResolver` supports schema definitions via `@Schema` to
 
 ## Using `@Schema`
 
-The `@Schema` annotation allows to set many properties like `description`, `example`, `required` to document payloads.
+The `@Schema` annotation allows to set many properties like `description`, `example`, `requiredMode` to document payloads.
 
 All properties are part of the produced AsyncApi file. However, not all of them are displayed in springwolf-ui. The ones listed above are included.
 
@@ -37,10 +37,11 @@ Add the following dependency:
 Then, add the `@Schema` annotation to the payload class:
 ```java
 import io.swagger.v3.oas.annotations.media.Schema;
+import static io.swagger.v3.oas.annotations.media.Schema.RequiredMode.REQUIRED;
 
 @Schema(description = "Example payload model")
 public class ExamplePayloadDto {
-    @Schema(description = "Some string field", example = "some string value", required = true)
+    @Schema(description = "Some string field", example = "some string value", requiredMode = REQUIRED)
     private String someString;
 
     public String getSomeString() {

docs/snippets/_schema_groovy.md

@@ -1,3 +1,3 @@
 dependencies {
-    implementation 'io.swagger.core.v3:swagger-core:2.2.0'
+    implementation 'io.swagger.core.v3:swagger-core:2.2.10'
 }

docs/snippets/_schema_maven.md

@@ -2,6 +2,6 @@
     <dependency>
         <groupId>io.swagger.core.v3</groupId>
         <artifactId>swagger-core</artifactId>
-        <version>2.2.0</version>
+        <version>2.2.10</version>
     </dependency>
 </dependencies>