Update dependency com.diffplug.spotless:spotless-maven-plugin to v2.31.0 (mulk/mulkcms2!12)

This MR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [com.diffplug.spotless:spotless-maven-plugin](https://github.com/diffplug/spotless) | build | minor | `2.30.0` -> `2.31.0` |

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### Release Notes

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

### [`v2.31.0`](https://github.com/diffplug/spotless/blob/HEAD/CHANGES.md#&#8203;2310---2022-11-24)

##### Added

-   `importOrder` now support groups of imports without blank lines ([#&#8203;1401](diffplug/spotless#1401))

##### Fixed

-   Don't treat `@Value` as a type annotation [#&#8203;1367](diffplug/spotless#1367)
-   Support `ktlint_disabled_rules` in `ktlint` 0.47.x [#&#8203;1378](diffplug/spotless#1378)
-   Share git repositories across projects when using ratchet ([#&#8203;1426](diffplug/spotless#1426))

##### Changes

-   Bump default `ktfmt` version to latest `0.40` -> `0.41` ([#&#8203;1340](diffplug/spotless#1340))
-   Bump default `scalafmt` version to latest `3.5.9` -> `3.6.1` ([#&#8203;1373](diffplug/spotless#1373))
-   Bump default `diktat` version to latest `1.2.3` -> `1.2.4.2` ([#&#8203;1393](diffplug/spotless#1393))
-   Bump default `palantir-java-format` version to latest `2.10` -> `2.28` ([#&#8203;1393](diffplug/spotless#1393))

</details>

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Author: benkard

pom.xml

@@ -26,7 +26,7 @@
     <processor-plugin.version>4.2</processor-plugin.version>
     <quarkus.version>2.16.0.Final</quarkus.version>
     <resources-plugin.version>3.3.0</resources-plugin.version>
-    <spotless-plugin.version>2.30.0</spotless-plugin.version>
+    <spotless-plugin.version>2.31.0</spotless-plugin.version>
 
     <quarkus.platform.artifact-id>quarkus-universe-bom</quarkus.platform.artifact-id>
     <quarkus.platform.group-id>io.quarkus</quarkus.platform.group-id>