Update plugin spotless to v7.0.0.BETA3 (#439)

Co-authored-by: Zac Sweers <pandanomic@gmail.com>

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ lint = { id = "com.android.lint", version = "8.7.1" }
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 ksp = { id = "com.google.devtools.ksp", version = "2.0.21-1.0.25" }
 mavenPublish = { id = "com.vanniktech.maven.publish", version = "0.30.0" }
-spotless = { id = "com.diffplug.spotless", version = "7.0.0.BETA2" }
+spotless = { id = "com.diffplug.spotless", version = "7.0.0.BETA3" }
 
 [libraries]
 autoService-annotations = "com.google.auto.service:auto-service-annotations:1.1.1"