deps: update dependency org.graalvm.buildtools:native-maven-plugin to…

… v0.9.20 (#2281)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [org.graalvm.buildtools:native-maven-plugin](https://togithub.com/graalvm/native-build-tools) | `0.9.19` -> `0.9.20` | [![age](https://badges.renovateapi.com/packages/maven/org.graalvm.buildtools:native-maven-plugin/0.9.20/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/org.graalvm.buildtools:native-maven-plugin/0.9.20/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/org.graalvm.buildtools:native-maven-plugin/0.9.20/compatibility-slim/0.9.19)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/org.graalvm.buildtools:native-maven-plugin/0.9.20/confidence-slim/0.9.19)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

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

### [`v0.9.20`](https://togithub.com/graalvm/native-build-tools/releases/tag/0.9.20)

[Compare Source](https://togithub.com/graalvm/native-build-tools/compare/0.9.19...0.9.20)

#### What's Changed

-   Introduce a `showPublications` task by [@&#8203;melix](https://togithub.com/melix) in [https://togithub.com/graalvm/native-build-tools/pull/375](https://togithub.com/graalvm/native-build-tools/pull/375)
-   Quickstart guides for Native Image Build Tools Maven/Gradle plugins. by [@&#8203;olyagpl](https://togithub.com/olyagpl) in [https://togithub.com/graalvm/native-build-tools/pull/381](https://togithub.com/graalvm/native-build-tools/pull/381)
-   Fix `NativeImageUtils#checkVersion` by [@&#8203;sdeleuze](https://togithub.com/sdeleuze) in [https://togithub.com/graalvm/native-build-tools/pull/386](https://togithub.com/graalvm/native-build-tools/pull/386)
-   Clarify bug report templates by [@&#8203;melix](https://togithub.com/melix) in [https://togithub.com/graalvm/native-build-tools/pull/392](https://togithub.com/graalvm/native-build-tools/pull/392)
-   Fix deadlock when collecting metadata by [@&#8203;melix](https://togithub.com/melix) in [https://togithub.com/graalvm/native-build-tools/pull/391](https://togithub.com/graalvm/native-build-tools/pull/391)
-   Add maven support for agent by [@&#8203;dnestoro](https://togithub.com/dnestoro) in [https://togithub.com/graalvm/native-build-tools/pull/343](https://togithub.com/graalvm/native-build-tools/pull/343)
-   Update metadataRepository version by [@&#8203;dnestoro](https://togithub.com/dnestoro) in [https://togithub.com/graalvm/native-build-tools/pull/394](https://togithub.com/graalvm/native-build-tools/pull/394)
-   Make max parallel native image builds configurable by [@&#8203;melix](https://togithub.com/melix) in [https://togithub.com/graalvm/native-build-tools/pull/395](https://togithub.com/graalvm/native-build-tools/pull/395)
-   Set regex to accept both GraalVM and native-image as version names by [@&#8203;dnestoro](https://togithub.com/dnestoro) in [https://togithub.com/graalvm/native-build-tools/pull/396](https://togithub.com/graalvm/native-build-tools/pull/396)
-   Add missing notes in index by [@&#8203;dnestoro](https://togithub.com/dnestoro) in [https://togithub.com/graalvm/native-build-tools/pull/399](https://togithub.com/graalvm/native-build-tools/pull/399)

#### New Contributors

-   [@&#8203;olyagpl](https://togithub.com/olyagpl) made their first contribution in [https://togithub.com/graalvm/native-build-tools/pull/381](https://togithub.com/graalvm/native-build-tools/pull/381)

**Full Changelog**: https://togithub.com/graalvm/native-build-tools/compare/0.9.19...0.9.20

</details>

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samples/native-image/pom.xml

@@ -130,7 +130,7 @@
           <plugin>
             <groupId>org.graalvm.buildtools</groupId>
             <artifactId>native-maven-plugin</artifactId>
-            <version>0.9.19</version>
+            <version>0.9.20</version>
             <extensions>true</extensions>
             <configuration>
               <mainClass>com.example.spanner.NativeImageSpannerSample</mainClass>