Bump com.diffplug.spotless:spotless-plugin-gradle from 7.0.2 to 7.0.3 (#4169)

Author: dependabot[bot]

buildSrc/build.gradle.kts

@@ -27,7 +27,7 @@ dependencies {
   implementation(gradleApi())
 
   // When updating, update above in plugins too
-  implementation("com.diffplug.spotless:spotless-plugin-gradle:7.0.2")
+  implementation("com.diffplug.spotless:spotless-plugin-gradle:7.0.3")
   implementation("com.github.spotbugs.snom:spotbugs-gradle-plugin:6.1.7")
   implementation("com.gradleup.shadow:shadow-gradle-plugin:8.3.6")