chore(deps): Update dependency com.diffplug.spotless to v7

Author: renovate[bot]

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ jgit = "6.10.0.+"
 junit = "5.12.0"
 kotlin = "1.9.25"
 mammoth = "1.4.0"
-spotless = "6.21.0"
+spotless = "7.0.3"
 
 [libraries]
 junit-bom = { module = "org.junit:junit-bom", version.ref = "junit" }