Merge pull request #174 from spannm/feat/add-japanese-locale

feat: add Japanese (ja) locale support

Merge pull request #164 from SkillPanel/chore/update-deps-and-authors

build: update groovy to 4.0.31 and byte-buddy to 1.18.8

chore: fix Maven Central publishing and update plugins (#156)

* chore: fix Maven Central publishing and update plugins

- Switch to POM 4.0.0 with flatten-maven-plugin for ${revision} support
- Set version to 0.8.3-SNAPSHOT
- Add flatten-maven-plugin 1.7.0
- Add maven-release-plugin with release profile
- Move central-publishing-maven-plugin 0.10.0 to release profile
- Restore distributionManagement for release:perform compatibility
- Update maven-gpg-plugin 1.6 → 3.2.8 (fix GPG signature format)
- Update maven-source-plugin 3.2.0 → 3.3.1
- Update error_prone_core 2.36.0 → 2.39.0
- Update gmavenplus-plugin 3.0.2 → 4.2.0
- Update maven-surefire-plugin 3.5.2 → 3.5.5
- Update jacoco-maven-plugin 0.8.12 → 0.8.13
- Update maven-javadoc-plugin 3.10.1 → 3.12.0

* chore: downgrade Maven wrapper to 3.9.14

Maven 4 RC generates consumer POM that breaks central-publishing-maven-plugin uploads to Sonatype Central.

* chore: add maven-deploy-plugin skip (central-publishing handles deploy)

* chore: enable autoPublish for Maven Central

[maven-release-plugin] copy for tag v0.8.1

Tag release

chore: downgrade Maven wrapper to 3.9.14 for Central compatibility

feat: add UniqueEnforcer and UniqueFairy for unique value generation

Add fairy.unique() returning UniqueFairy (Person by email, Company by name,
IBAN/CreditCard by number) and UniqueEnforcer.of() for custom key extraction.
Throws UniqueGenerationException after max retries (default 10,000).

Closes #9

refactor: clean up Guava removal per code review

- Fix broken indentation in PersonProvider and PlNationalIdentityCardNumberProvider
- Use Validate.notNull/isTrue from commons-lang3 instead of hand-rolled if/throw
- Use StringUtils.isNotEmpty instead of manual null+isEmpty check
- Use Set.of() directly instead of new HashSet<>(Set.of()) for immutable set
- Use List.of() instead of Arrays.asList() for constant lists
- Remove redundant Arrays.asList wrapper around String.split result
- Fix stale comment referencing removed checkArgument

fix: SvAddressProvider now generates apartment numbers

randomInt(20) always returns >= 0, so the condition was never true.
Replace with trueOrFalse() to match AbstractAddressProvider behavior.

Fixes #132

fix: update maven-javadoc-plugin and disable doclint