chore: include generated samples dir (googleapis#783)

* chore: include generated samples dir

* 🦉 Updates from OwlBot post-processor

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

* update file

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

java-secretmanager/.github/.OwlBot.yaml

@@ -16,6 +16,7 @@ docker:
   image: "gcr.io/cloud-devrel-public-resources/owlbot-java:latest"
 
 deep-remove-regex:
+- "/samples/snippets/generated"
 - "/grpc-google-.*/src"
 - "/proto-google-.*/src"
 - "/google-.*/src"
@@ -36,3 +37,5 @@ deep-copy-regex:
   dest: "/owl-bot-staging/$1/grpc-google-cloud-secretmanager-$1/src"
 - source: "/google/cloud/secretmanager/(v\\d)/.*-java/gapic-google-.*/src"
   dest: "/owl-bot-staging/$1/google-cloud-secretmanager/src"
+- source: "/google/cloud/secretmanager/(v\\d)/.*-java/samples/snippets/generated"
+  dest: "/owl-bot-staging/$1/samples/snippets/generated"

java-secretmanager/samples/native-image-sample/.sdkmanrc

@@ -0,0 +1,3 @@
+# Enable auto-env through the sdkman_auto_env config
+# Add key=value pairs of SDKs to use below
+java=11.0.14-ms

java-secretmanager/samples/native-image-sample/pom.xml

@@ -141,6 +141,7 @@
               <buildArgs>
                 <buildArg>--no-fallback</buildArg>
                 <buildArg>--no-server</buildArg>
+                <buildArg>--allow-incomplete-classpath</buildArg>
               </buildArgs>
             </configuration>
             <executions>
@@ -165,4 +166,4 @@
       </build>
     </profile>
   </profiles>
-</project>
+</project>