fix(deps): update gapic-generator-java-bom.version to v2.62.2 (#4166)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
|
[com.google.api:gapic-generator-java](https://redirect.github.com/googleapis/sdk-platform-java)
| `2.62.1` -> `2.62.2` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.api:gapic-generator-java/2.62.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.api:gapic-generator-java/2.62.1/2.62.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
|
[com.google.api:gapic-generator-java-bom](https://redirect.github.com/googleapis/sdk-platform-java)
| `2.62.1` -> `2.62.2` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.api:gapic-generator-java-bom/2.62.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.api:gapic-generator-java-bom/2.62.1/2.62.2?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>googleapis/sdk-platform-java
(com.google.api:gapic-generator-java)</summary>

###
[`v2.62.2`](https://redirect.github.com/googleapis/sdk-platform-java/blob/HEAD/CHANGELOG.md#2622-2025-09-18)

[Compare
Source](https://redirect.github.com/googleapis/sdk-platform-java/compare/v2.62.1...v2.62.2)

##### Dependencies

- update google api dependencies
([#&#8203;3885](https://redirect.github.com/googleapis/sdk-platform-java/issues/3885))
([3694fed](https://redirect.github.com/googleapis/sdk-platform-java/commit/3694fed91e65966d074471942bd2e36075ba70d1))
- update google auth library dependencies to v1.39.1
([#&#8203;3907](https://redirect.github.com/googleapis/sdk-platform-java/issues/3907))
([e86a4f6](https://redirect.github.com/googleapis/sdk-platform-java/commit/e86a4f6535bc43b5382f22e790ccf2c76e8e9b23))

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about these
updates again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/GoogleCloudPlatform/spring-cloud-gcp).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS4xMzEuOSIsInVwZGF0ZWRJblZlciI6IjQxLjEzMS45IiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJkZXBlbmRlbmNpZXMiXX0=-->

Author: renovate-bot

spring-cloud-generator/pom.xml

@@ -15,7 +15,7 @@
     <description>Spring Code Generator for Google Cloud</description>
 
     <properties>
-        <gapic-generator-java-bom.version>2.62.1</gapic-generator-java-bom.version>
+        <gapic-generator-java-bom.version>2.62.2</gapic-generator-java-bom.version>
         <!-- [gapic-test]: protobuf.version for compiling protos used in unit testing
              this should be consistent with version in gapic-generator-java-bom -->
         <protobuf.version>3.25.8</protobuf.version>