Update dependency com.diffplug.spotless to v7.2.1 (#159)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ licenser = "0.6.1"
 mockito-kotlin = "5.4.0"
 nexus-publish-plugin = "2.0.0"
 placeholderapi = "2.11.6"
-spotless = "7.0.4"
+spotless = "7.2.1"
 vault-api = "1.7.1"
 
 [libraries]