deps: update dependency org.graalvm.buildtools:junit-platform-native to v0.9.21 (#1319)

[![Mend Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [org.graalvm.buildtools:junit-platform-native](https://togithub.com/graalvm/native-build-tools) | `0.9.20` -> `0.9.21` | [![age](https://badges.renovateapi.com/packages/maven/org.graalvm.buildtools:junit-platform-native/0.9.21/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/org.graalvm.buildtools:junit-platform-native/0.9.21/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/org.graalvm.buildtools:junit-platform-native/0.9.21/compatibility-slim/0.9.20)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/org.graalvm.buildtools:junit-platform-native/0.9.21/confidence-slim/0.9.20)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>graalvm/native-build-tools</summary>

### [`v0.9.21`](https://togithub.com/graalvm/native-build-tools/releases/tag/0.9.21)

[Compare Source](https://togithub.com/graalvm/native-build-tools/compare/0.9.20...0.9.21)

#### What's Changed

-   Change samples link, add quickstarts by [@&#8203;alina-yur](https://togithub.com/alina-yur) in [https://togithub.com/graalvm/native-build-tools/pull/405](https://togithub.com/graalvm/native-build-tools/pull/405)
-   Fix typo by [@&#8203;alvarosanchez](https://togithub.com/alvarosanchez) in [https://togithub.com/graalvm/native-build-tools/pull/406](https://togithub.com/graalvm/native-build-tools/pull/406)
-   Add a new write-args-file goal by [@&#8203;alvarosanchez](https://togithub.com/alvarosanchez) in [https://togithub.com/graalvm/native-build-tools/pull/408](https://togithub.com/graalvm/native-build-tools/pull/408)
-   Enable metadata copy when agent is enabled from cmd by [@&#8203;dnestoro](https://togithub.com/dnestoro) in [https://togithub.com/graalvm/native-build-tools/pull/407](https://togithub.com/graalvm/native-build-tools/pull/407)
-   Fix compatibility with Gradle's configuration cache by [@&#8203;melix](https://togithub.com/melix) in [https://togithub.com/graalvm/native-build-tools/pull/339](https://togithub.com/graalvm/native-build-tools/pull/339)
-   Run the native tests in the submodule folder by [@&#8203;alvarosanchez](https://togithub.com/alvarosanchez) in [https://togithub.com/graalvm/native-build-tools/pull/414](https://togithub.com/graalvm/native-build-tools/pull/414)
-   Disable toolchain detection by default by [@&#8203;melix](https://togithub.com/melix) in [https://togithub.com/graalvm/native-build-tools/pull/420](https://togithub.com/graalvm/native-build-tools/pull/420)
-   Deprecate `requiredVersion`. by [@&#8203;fniephaus](https://togithub.com/fniephaus) in [https://togithub.com/graalvm/native-build-tools/pull/421](https://togithub.com/graalvm/native-build-tools/pull/421)
-   Bump metadata repo version by [@&#8203;dnestoro](https://togithub.com/dnestoro) in [https://togithub.com/graalvm/native-build-tools/pull/423](https://togithub.com/graalvm/native-build-tools/pull/423)

#### New Contributors

-   [@&#8203;alina-yur](https://togithub.com/alina-yur) made their first contribution in [https://togithub.com/graalvm/native-build-tools/pull/405](https://togithub.com/graalvm/native-build-tools/pull/405)
-   [@&#8203;fniephaus](https://togithub.com/fniephaus) made their first contribution in [https://togithub.com/graalvm/native-build-tools/pull/421](https://togithub.com/graalvm/native-build-tools/pull/421)

**Full Changelog**: https://togithub.com/graalvm/native-build-tools/compare/0.9.20...0.9.21

</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 this update again.

---

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

---

This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://app.renovatebot.com/dashboard#github/googleapis/java-logging).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNS4zMS40IiwidXBkYXRlZEluVmVyIjoiMzUuNDguMiJ9-->

Author: renovate-bot

README.md

@@ -52,7 +52,7 @@ If you are using Maven without the BOM, add this to your dependencies:
 If you are using Gradle 5.x or later, add this to your dependencies:
 
 ```Groovy
-implementation platform('com.google.cloud:libraries-bom:26.12.0')
+implementation platform('com.google.cloud:libraries-bom:26.13.0')
 
 implementation 'com.google.cloud:google-cloud-logging'
 ```

samples/native-image-sample/pom.xml

@@ -110,7 +110,7 @@
         <dependency>
           <groupId>org.graalvm.buildtools</groupId>
           <artifactId>junit-platform-native</artifactId>
-          <version>0.9.20</version>
+          <version>0.9.21</version>
           <scope>test</scope>
         </dependency>
       </dependencies>