Update dependency org.jetbrains:annotations to v25 (mulk/jgvariant!30)

This MR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [org.jetbrains:annotations](https://github.com/JetBrains/java-annotations) | compile | major | `24.1.0` -> `25.0.0` |

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### Release Notes

<details>
<summary>JetBrains/java-annotations</summary>

### [`v25.0.0`](https://github.com/JetBrains/java-annotations/blob/HEAD/CHANGELOG.md#Version-2500)

[Compare Source](https://github.com/JetBrains/java-annotations/compare/24.1.0...25.0.0)

-   Added Kotlin Multiplatform artifact (multiplatform-annotations).
-   Removed Java 5 artifact.

</details>

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diff --git a/jgvariant-parent/pom.xml b/jgvariant-parent/pom.xml
index cbdf3d9..093c7f1 100644
--- a/jgvariant-parent/pom.xml
+++ b/jgvariant-parent/pom.xml
@@ -74,7 +74,7 @@
     <apiguardian.version>1.1.2</apiguardian.version>
     <errorprone.version>2.33.0</errorprone.version>
     <inject-resources.version>0.3.5</inject-resources.version>
-    <jetbrains-annotations.version>24.1.0</jetbrains-annotations.version>
+    <jetbrains-annotations.version>25.0.0</jetbrains-annotations.version>
     <jqwik.version>1.9.1</jqwik.version>
     <jspecify.version>1.0.0</jspecify.version>
     <junit-jupiter.version>5.11.1</junit-jupiter.version>