deps: update dependency com.google.code.gson:gson to v2.11.0 (#2786)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.code.gson:gson](https://togithub.com/google/gson) |
`2.10.1` -> `2.11.0` |
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|
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|
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|
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Co-authored-by: Diego Marquez <diegomarquezp@google.com>

gapic-generator-java-pom-parent/pom.xml

@@ -29,7 +29,7 @@
     <grpc.version>1.62.2</grpc.version>
     <google.auth.version>1.23.0</google.auth.version>
     <google.http-client.version>1.44.1</google.http-client.version>
-    <gson.version>2.10.1</gson.version>
+    <gson.version>2.11.0</gson.version>
     <guava.version>33.1.0-jre</guava.version>
     <protobuf.version>3.25.3</protobuf.version>
     <opentelemetry.version>1.38.0</opentelemetry.version>