Bump io.freefair.maven-central.validate-poms from 8.11 to 8.12

Bumps [io.freefair.maven-central.validate-poms](https://github.com/freefair/gradle-plugins) from 8.11 to 8.12.
- [Release notes](https://github.com/freefair/gradle-plugins/releases)
- [Commits](freefair/gradle-plugins@8.11...8.12)

---
updated-dependencies:
- dependency-name: io.freefair.maven-central.validate-poms
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

build.gradle.kts

@@ -7,7 +7,7 @@ plugins {
     id("maven-publish")
     id("com.github.ben-manes.versions") version "0.51.0"
     id("net.ossindex.audit") version "0.4.11"
-    id("io.freefair.maven-central.validate-poms") version "8.11"
+    id("io.freefair.maven-central.validate-poms") version "8.12"
     id("io.github.gradle-nexus.publish-plugin") version "2.0.0"
     alias(libs.plugins.kotlinJvm) apply false
     id("com.google.devtools.ksp") version "2.1.0-1.0.29" apply false