build(deps): bump com.diffplug.spotless from 8.6.0 to 8.7.0 (#469)

Bumps com.diffplug.spotless from 8.6.0 to 8.7.0.

---
updated-dependencies:
- dependency-name: com.diffplug.spotless
  dependency-version: 8.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Michael Brooks <mbrooks@slack-corp.com>

Author: dependabot[bot]

build.gradle

@@ -1,6 +1,6 @@
 plugins {
 	id 'application'
-	id "com.diffplug.spotless" version "8.6.0"
+	id "com.diffplug.spotless" version "8.7.0"
 	id 'jvm-test-suite'
 }