chore(deps): update spotless to v8.7.0 (#5802)

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

gradle/libs.versions.toml

@@ -81,7 +81,7 @@ markdownRenderer = "0.41.0"
 okio = "3.17.0"
 uri-kmp = "0.0.21"
 osmdroid-android = "6.1.20"
-spotless = "8.6.0"
+spotless = "8.7.0"
 vico = "3.2.2"
 kable = "0.43.1"
 mqttastic = "0.3.8"