fix(deps): update spotlessplugin to v8 (major) (#797)

fix(deps): update spotlessplugin to v8

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -18,7 +18,7 @@ nessieBuildPlugins = "0.2.20"
 nessieRunPlugin = "0.32.2"
 shadowPlugin = "8.1.1"
 slf4j = "1.7.36"
-spotlessPlugin = "7.2.1"
+spotlessPlugin = "8.0.0"
 testRerunPlugin = "0.1"
 
 [bundles]