feat: add basic support for CycloneDX v1.6 (#422)

Signed-off-by: Jan Kowalleck <jan.kowalleck@gmail.com>

HISTORY.md

@@ -6,10 +6,27 @@ All notable changes to this project will be documented in this file.
 
 <!-- add unreleased items here -->
 
+Added _basic_ support for [_CycloneDX_ Specification-1.6](https://github.com/CycloneDX/specification/releases/tag/1.6).
+
+* Changed
+  * Method `\CycloneDX\Core\Spec\SpecFactory::makeForVersion()` supports _CycloneDX_ Specification-1.6 now ([#421] via [#422])
+  * Classes `\CycloneDX\Core\Serialization\{DOM,JSON}\Normalizers\*` support _CycloneDX_ Specification-1.6 now ([#421] via [#422])
+  * Classes `\CycloneDX\Core\Validation\Validators\*` support _CycloneDX_ Specification-1.6 now ([#421] via [#422])
+* Added
+  * Namespace `\CycloneDX\Core\Enums`
+    * Enum `ComponentType` got new cases ([#421] via [#422])  
+      New: `CryptographicAsset`
+  * Enum `ExternalReferenceType` got new cases ([#421] via [#422])  
+    New: `SourceDistribution`, `ElectronicSignature`, `DigitalSignature`, `RFC9116`
+  * Namespace `\CycloneDX\Core\Spec`
+    * New method `SpecFactory::make1dot6()` to reflect _CycloneDX_ Specification-1.6 ([#421] via [#422])
+    * Enum `Version` got new case `v1dot6` to reflect _CycloneDX_ Specification-1.6 ([#421] via [#422])
 * Style
   * Applied latest PHP Coding Standards (via [#415])
 
 [#415]: https://github.com/CycloneDX/cyclonedx-php-library/pull/415
+[#421]: https://github.com/CycloneDX/cyclonedx-php-library/issues/421
+[#422]: https://github.com/CycloneDX/cyclonedx-php-library/pull/422
 
 ## 3.1.2 - 2024-03-18
 

examples/build_and_serialize.php

@@ -52,7 +52,7 @@
 
 // endregion build the BOM
 
-$spec = \CycloneDX\Core\Spec\SpecFactory::make1dot5();
+$spec = \CycloneDX\Core\Spec\SpecFactory::make1dot6();
 
 $prettyPrint = false;
 

res/schema/README.md

@@ -4,7 +4,7 @@ some schema for offline use as download via [script](../../tools/schema-download
 original sources: <https://github.com/CycloneDX/specification/tree/master/schema>
 
 Currently using version
-[fd4d383658196992364e5d62568a48c431ace515](https://github.com/CycloneDX/specification/tree/fd4d383658196992364e5d62568a48c431ace515)
+[55343ba19dee1785acf1ce9191540d5fd7b590db](https://github.com/CycloneDX/specification/commit/55343ba19dee1785acf1ce9191540d5fd7b590db)
 
 | file | note |
 |------|------|
@@ -14,10 +14,12 @@ Currently using version
 | [`bom-1.3.SNAPSHOT.xsd`](bom-1.3.SNAPSHOT.xsd) | applied changes: 1 |
 | [`bom-1.4.SNAPSHOT.xsd`](bom-1.4.SNAPSHOT.xsd) | applied changes: 1 |
 | [`bom-1.5.SNAPSHOT.xsd`](bom-1.5.SNAPSHOT.xsd) | applied changes: 1 |
+| [`bom-1.6.SNAPSHOT.xsd`](bom-1.6.SNAPSHOT.xsd) | applied changes: 1 |
 | [`bom-1.2.SNAPSHOT.schema.json`](bom-1.2.SNAPSHOT.schema.json) | applied changes: 2,3,4 |
 | [`bom-1.3.SNAPSHOT.schema.json`](bom-1.3.SNAPSHOT.schema.json) | applied changes: 2,3,4 |
 | [`bom-1.4.SNAPSHOT.schema.json`](bom-1.4.SNAPSHOT.schema.json) | applied changes: 2,3,4 |
 | [`bom-1.5.SNAPSHOT.schema.json`](bom-1.5.SNAPSHOT.schema.json) | applied changes: 2,3,4 |
+| [`bom-1.6.SNAPSHOT.schema.json`](bom-1.6.SNAPSHOT.schema.json) | applied changes: 2,3,4 |
 | [`bom-1.2-strict.SNAPSHOT.schema.json`](bom-1.2-strict.SNAPSHOT.schema.json) | applied changes: 2,3,4 |
 | [`bom-1.3-strict.SNAPSHOT.schema.json`](bom-1.3-strict.SNAPSHOT.schema.json) | applied changes: 2,3,4 |
 | [`spdx.SNAPSHOT.xsd`](spdx.SNAPSHOT.xsd) | |