Use gradle/libs.versions.toml to specify the Spotless version (#6328)

build.gradle

@@ -40,7 +40,7 @@ buildscript {
         classpath 'com.google.gms:google-services:4.3.15'
         classpath 'com.google.firebase:firebase-appdistribution-gradle:5.0.0'
         classpath 'com.google.firebase:firebase-crashlytics-gradle:2.9.5'
-        classpath "com.diffplug.spotless:spotless-plugin-gradle:7.0.0.BETA1"
+        classpath libs.spotless.plugin.gradle
     }
 }
 

firebase-dataconnect/gradleplugin/plugin/build.gradle.kts

@@ -17,7 +17,7 @@
 plugins {
   `java-gradle-plugin`
   alias(firebaseLibs.plugins.kotlin.jvm)
-  alias(libs.plugins.spotless)
+  alias(firebaseLibs.plugins.spotless)
 }
 
 java { toolchain { languageVersion.set(JavaLanguageVersion.of(17)) } }

gradle/libs.versions.toml

@@ -20,6 +20,7 @@ protobufjavautil = "3.21.11"
 kotest = "5.9.1"
 quickcheck = "0.6"
 serialization = "1.5.1"
+spotless = "7.0.0.BETA1"
 androidx-test-core="1.5.0"
 androidx-test-junit="1.1.5"
 androidx-test-truth = "1.5.0"
@@ -88,6 +89,7 @@ kotest-assertions = { module = "io.kotest:kotest-assertions-core-jvm", version.r
 kotest-property = { module = "io.kotest:kotest-property-jvm", version.ref = "kotest" }
 kotest-property-arbs = { module = "io.kotest.extensions:kotest-property-arbs", version = "2.1.2" }
 quickcheck = { module = "net.java:quickcheck", version.ref = "quickcheck" }
+spotless-plugin-gradle = { module = "com.diffplug.spotless:spotless-plugin-gradle", version.ref = "spotless" }
 turbine = { module = "app.cash.turbine:turbine", version = "1.0.0" }
 
 [bundles]
@@ -97,3 +99,4 @@ playservices = ["playservices-base", "playservices-basement", "playservices-task
 [plugins]
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 kotlinx-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "serialization-plugin" }
+spotless = { id = "com.diffplug.spotless", version.ref = "spotless" }