Bump nebula.project from 9.2.3 to 9.6.3

Bumps nebula.project from 9.2.3 to 9.6.3.

---
updated-dependencies:
- dependency-name: nebula.project
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle

@@ -8,7 +8,7 @@ buildscript {
 plugins {
   id 'base'
   id 'io.freefair.lombok' version "${freefairVersion}" // apply, because javadoc
-  id 'nebula.project' version '9.2.3' apply false
+  id 'nebula.project' version '9.6.3' apply false
   id 'com.palantir.git-version' version '0.14.0'
   id 'com.github.spotbugs' version '5.0.6' apply false
   id 'io.freefair.maven-optional' version "${freefairVersion}"