chore(deps): update dependency com.github.spotbugs.snom:spotbugs-gradle-plugin to v6.4.7 (#1790)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
|
[com.github.spotbugs.snom:spotbugs-gradle-plugin](https://redirect.github.com/spotbugs/spotbugs-gradle-plugin)
| `6.4.6` -> `6.4.7` |
![age](https://developer.mend.io/api/mc/badges/age/maven/com.github.spotbugs.snom:spotbugs-gradle-plugin/6.4.7?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.github.spotbugs.snom:spotbugs-gradle-plugin/6.4.6/6.4.7?slim=true)
|

---

### Release Notes

<details>
<summary>spotbugs/spotbugs-gradle-plugin
(com.github.spotbugs.snom:spotbugs-gradle-plugin)</summary>

###
[`v6.4.7`](https://redirect.github.com/spotbugs/spotbugs-gradle-plugin/releases/tag/6.4.7)

[Compare
Source](https://redirect.github.com/spotbugs/spotbugs-gradle-plugin/compare/6.4.6...6.4.7)

##### Bug Fixes

- **deps:** use Kotlin 2.0.21 that is used by Gradle 8.14.3
([a585b35](https://redirect.github.com/spotbugs/spotbugs-gradle-plugin/commit/a585b35c66f8c9461270c02951d9c3bbfeb85031)),
closes
[#&#8203;1532](https://redirect.github.com/spotbugs/spotbugs-gradle-plugin/issues/1532)

</details>

---

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rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
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---

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

---

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buildSrc/build.gradle.kts

@@ -14,7 +14,7 @@ dependencies {
     // plugins
     implementation("io.github.gradle-nexus:publish-plugin:2.0.0")
     implementation("org.openapitools:openapi-generator-gradle-plugin:7.17.0")
-    implementation("com.github.spotbugs.snom:spotbugs-gradle-plugin:6.4.6")
+    implementation("com.github.spotbugs.snom:spotbugs-gradle-plugin:6.4.7")
     implementation("org.springframework.boot:spring-boot-gradle-plugin:3.5.8")
 
     // workaround to use libs in a precompiled script plugin.