build(deps): bump the dependabot-dependency-updates group with 3 updates

Bumps the dependabot-dependency-updates group with 3 updates: org.slf4j:slf4j-api, org.slf4j:slf4j-simple and [com.diffplug.spotless:spotless-maven-plugin](https://github.com/diffplug/spotless).


Updates `org.slf4j:slf4j-api` from 2.0.11 to 2.0.12

Updates `org.slf4j:slf4j-simple` from 2.0.11 to 2.0.12

Updates `com.diffplug.spotless:spotless-maven-plugin` from 2.42.0 to 2.43.0
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@lib/2.42.0...lib/2.43.0)

---
updated-dependencies:
- dependency-name: org.slf4j:slf4j-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependabot-dependency-updates
- dependency-name: org.slf4j:slf4j-simple
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependabot-dependency-updates
- dependency-name: com.diffplug.spotless:spotless-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependabot-dependency-updates
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -11,7 +11,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<parent.basedir>.</parent.basedir>
-		<spotless.version>2.42.0</spotless.version>
+		<spotless.version>2.43.0</spotless.version>
 		<jacoco.version>0.8.11</jacoco.version>
 		<source.version>3.3.0</source.version>
 		<maven.compiler.source>11</maven.compiler.source>
@@ -192,12 +192,12 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-api</artifactId>
-			<version>2.0.11</version>
+			<version>2.0.12</version>
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-simple</artifactId>
-			<version>2.0.11</version>
+			<version>2.0.12</version>
 		</dependency>
 		<dependency>
 			<groupId>org.eclipse.californium</groupId>