Update dependency com.diffplug.spotless:spotless-maven-plugin to v2.30.0 (mulk/mulkcms2!6)

This MR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [com.diffplug.spotless:spotless-maven-plugin](https://github.com/diffplug/spotless) | build | minor | `2.29.0` -> `2.30.0` |

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### Release Notes

<details>
<summary>diffplug/spotless</summary>

### [`v2.30.0`](https://github.com/diffplug/spotless/blob/HEAD/CHANGES.md#&#8203;2300---2022-09-14)

##### Added

-   `formatAnnotations()` step to correct formatting of Java type annotations.  It puts type annotations on the same line as the type that they qualify.  Run it after a Java formatting step, such as `googleJavaFormat()`. ([#&#8203;1275](diffplug/spotless#1275))

##### Changes

-   Bump default `ktfmt` version to latest `0.39` -> `0.40` ([#&#8203;1312](diffplug/spotless#1312))
-   Bump default `ktlint` version to latest `0.46.1` -> `0.47.1` ([#&#8203;1303](diffplug/spotless#1303))
    -   Also restored support for older versions of ktlint back to `0.31.0`

</details>

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Author: benkard

Diff for: pom.xml

@@ -26,7 +26,7 @@
     <processor-plugin.version>4.2</processor-plugin.version>
     <quarkus.version>2.15.3.Final</quarkus.version>
     <resources-plugin.version>3.3.0</resources-plugin.version>
-    <spotless-plugin.version>2.29.0</spotless-plugin.version>
+    <spotless-plugin.version>2.30.0</spotless-plugin.version>
 
     <quarkus.platform.artifact-id>quarkus-universe-bom</quarkus.platform.artifact-id>
     <quarkus.platform.group-id>io.quarkus</quarkus.platform.group-id>