feat: [dataproc] support required_registration_fraction for secondary workers (#10031)

* feat: support required_registration_fraction for secondary workers

PiperOrigin-RevId: 578743167

Source-Link: googleapis/googleapis@a70dd17

Source-Link: https://github.com/googleapis/googleapis-gen/commit/501cba3338627a82359d2f3069d7e5af11b7b3dd
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

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Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

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java-dataproc/README.md

@@ -20,7 +20,7 @@ If you are using Maven with [BOM][libraries-bom], add this to your pom.xml file:
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>libraries-bom</artifactId>
-      <version>26.23.0</version>
+      <version>26.26.0</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
@@ -195,7 +195,7 @@ Java is a registered trademark of Oracle and/or its affiliates.
 [kokoro-badge-link-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/java11.html
 [stability-image]: https://img.shields.io/badge/stability-stable-green
 [maven-version-image]: https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-dataproc.svg
-[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-dataproc/4.21.0
+[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-dataproc/4.26.0
 [authentication]: https://github.com/googleapis/google-cloud-java#authentication
 [auth-scopes]: https://developers.google.com/identity/protocols/oauth2/scopes
 [predefined-iam-roles]: https://cloud.google.com/iam/docs/understanding-roles#predefined_roles

java-dataproc/google-cloud-dataproc/src/main/resources/META-INF/native-image/com.google.cloud.dataproc.v1/reflect-config.json

@@ -2627,6 +2627,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.dataproc.v1.StartupConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.dataproc.v1.StartupConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.dataproc.v1.StopClusterRequest",
     "queryAllDeclaredConstructors": true,