Upgrade org.openapi.generator from 7.7.0

generators/server/resources/gradle/libs.versions.toml

@@ -35,4 +35,4 @@ common-custom-user-data-gradle-plugin = { id = 'com.gradle.common-custom-user-da
 
 gatling-gradle = { id = 'io.gatling.gradle', version = '3.11.5.2' }
 
-gradle-openapi-generator = { id = 'org.openapi.generator', version = '7.5.0' }
+gradle-openapi-generator = { id = 'org.openapi.generator', version = '7.7.0' }

generators/server/templates/build.gradle.ejs

@@ -16,6 +16,14 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 -%>
+buildscript {
+    dependencies {
+        classpath("com.fasterxml.jackson.dataformat:jackson-dataformat-yaml") {
+            version { strictly("2.14.2") }
+        }
+    }
+}
+
 plugins {
     id "java"
     id "maven-publish"