Bump com.diffplug.spotless from 7.0.2 to 7.0.3

Bumps com.diffplug.spotless from 7.0.2 to 7.0.3.

---
updated-dependencies:
- dependency-name: com.diffplug.spotless
  dependency-version: 7.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ logback = "1.5.18"
 mockk = "1.14.0"
 plantuml = "0.3.0"
 slf4j = "2.0.17"
-spotless = "7.0.2"
+spotless = "7.0.3"
 
 [libraries]
 junit = { module = "org.junit.jupiter:junit-jupiter" }