Update dependency org.jetbrains:annotations to v24 (mulk/jgvariant!21)

This MR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [org.jetbrains:annotations](https://github.com/JetBrains/java-annotations) | compile | major | `23.1.0` -> `24.0.0` |

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### Release Notes

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

### [`v24.0.0`](https://github.com/JetBrains/java-annotations/compare/23.1.0...24.0.0)

[Compare Source](https://github.com/JetBrains/java-annotations/compare/23.1.0...24.0.0)

</details>

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diff --git a/jgvariant-parent/pom.xml b/jgvariant-parent/pom.xml
index c63579d..c5371cc 100644
--- a/jgvariant-parent/pom.xml
+++ b/jgvariant-parent/pom.xml
@@ -73,7 +73,7 @@
     <error-prone-support.version>0.6.0</error-prone-support.version>
     <google-java-format.version>1.15.0</google-java-format.version>
     <inject-resources.version>0.3.2</inject-resources.version>
-    <jetbrains-annotations.version>23.1.0</jetbrains-annotations.version>
+    <jetbrains-annotations.version>24.0.0</jetbrains-annotations.version>
     <junit-jupiter.version>5.9.2</junit-jupiter.version>
     <nullaway.version>0.10.5</nullaway.version>
     <xz.version>1.9</xz.version>