Switch to Spotless and cleanup pom.xml

Signed-off-by: BT (calcastor/mame) <[email protected]>

.github/workflows/ci.yml

@@ -10,6 +10,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
       - uses: actions/setup-java@v4
         with:
           java-version: 21

pom.xml

@@ -7,6 +7,12 @@
 	<version>1.0.0-SNAPSHOT</version>
 	<name>Events</name>
 
+	<properties>
+		<maven.compiler.source>21</maven.compiler.source>
+		<maven.compiler.target>21</maven.compiler.target>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+	</properties>
+
 	<repositories>
 		<repository>
 			<id>ashcon-repo</id>
@@ -44,18 +50,31 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>3.13.0</version>
 				<configuration>
-					<source>21</source>
-					<target>21</target>
+					<annotationProcessorPaths>
+						<path>
+							<groupId>org.incendo</groupId>
+							<artifactId>cloud-annotations</artifactId>
+							<version>2.0.0-rc.2</version>
+						</path>
+					</annotationProcessorPaths>
 				</configuration>
 			</plugin>
 
 			<!-- Validates that code is properly formatted with Google's code style -->
 			<plugin>
-				<groupId>com.coveo</groupId>
-				<artifactId>fmt-maven-plugin</artifactId>
-				<version>2.9</version>
+				<groupId>com.diffplug.spotless</groupId>
+				<artifactId>spotless-maven-plugin</artifactId>
+				<version>2.43.0</version>
 				<configuration>
-					<style>google</style>
+					<ratchetFrom>origin/master</ratchetFrom>
+					<java>
+						<removeUnusedImports/>
+						<palantirJavaFormat>
+							<version>2.47.0</version>
+							<style>GOOGLE</style>
+							<formatJavadoc>true</formatJavadoc>
+						</palantirJavaFormat>
+					</java>
 				</configuration>
 				<executions>
 					<execution>