chore(deps): Bump com.diffplug.spotless from 8.0.0 to 8.1.0

Bumps com.diffplug.spotless from 8.0.0 to 8.1.0.

---
updated-dependencies:
- dependency-name: com.diffplug.spotless
  dependency-version: 8.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -20,7 +20,7 @@ org-testcontainers = "1.21.3"
 owasp-dependencycheck = "12.1.9"
 protobuf = "4.33.2"
 protobuf-plugin =  "0.9.6"
-spotless = "8.0.0"
+spotless = "8.1.0"
 spring-boot-plugin = "4.0.1"
 spring-cloud = "2025.1.0" # not managed by spring-boot-dependencies
 spring-cloud-stream = "5.0.0" # not managed by spring-boot-dependencies