build(deps): bump com.diffplug.spotless from 7.1.0 to 7.2.1

Bumps com.diffplug.spotless from 7.1.0 to 7.2.1.

---
updated-dependencies:
- dependency-name: com.diffplug.spotless
  dependency-version: 7.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ compose-plugin = "1.8.2"
 dokka = "2.0.0"
 haze = "1.6.9"
 kotlin = "2.2.0"
-spotless = "7.1.0"
+spotless = "7.2.1"
 
 [libraries]
 androidx-activity-compose = { module = "androidx.activity:activity-compose", version.ref = "androidx-activity-compose" }