deps: update protobuf dependencies to v3.25.3 (#2491)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[com.google.protobuf:protobuf-java](https://developers.google.com/protocol-buffers/)
([source](https://github.com/protocolbuffers/protobuf)) | `3.25.2` ->
`3.25.3` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.protobuf:protobuf-java/3.25.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.protobuf:protobuf-java/3.25.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.protobuf:protobuf-java/3.25.2/3.25.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.protobuf:protobuf-java/3.25.2/3.25.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
|
[com.google.protobuf:protobuf-bom](https://developers.google.com/protocol-buffers/)
([source](https://github.com/protocolbuffers/protobuf)) | `3.25.2` ->
`3.25.3` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.protobuf:protobuf-bom/3.25.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.protobuf:protobuf-bom/3.25.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.protobuf:protobuf-bom/3.25.2/3.25.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.protobuf:protobuf-bom/3.25.2/3.25.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>protocolbuffers/protobuf
(com.google.protobuf:protobuf-java)</summary>

###
[`v3.25.3`](https://github.com/protocolbuffers/protobuf/compare/v3.25.2...v3.25.3)

</details>

---

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Co-authored-by: Lawrence Qiu <[email protected]>

Author: renovate-bot

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

@@ -31,7 +31,7 @@
     <google.http-client.version>1.44.1</google.http-client.version>
     <gson.version>2.10.1</gson.version>
     <guava.version>33.1.0-jre</guava.version>
-    <protobuf.version>3.25.2</protobuf.version>
+    <protobuf.version>3.25.3</protobuf.version>
     <opentelemetry.version>1.37.0</opentelemetry.version>
     <maven.compiler.release>8</maven.compiler.release>
     <errorprone.version>2.26.1</errorprone.version>

gax-java/dependencies.properties

@@ -26,7 +26,7 @@ version.gax_httpjson=2.46.2-SNAPSHOT
 # The protobuf version is only used for generating gradle files for showcase module,
 # not for self-service clients (from googleapis project).
 
-version.com_google_protobuf=3.25.2
+version.com_google_protobuf=3.25.3
 version.google_java_format=1.15.0
 version.io_grpc=1.62.2