[CDX 2.0] test resources component choice enhancements

we have existing test resources for component choices
- https://github.com/CycloneDX/specification/blob/2.0-dev/tools/src/test/resources/2.0/valid-component-choice-xor-2.0.json
- https://github.com/CycloneDX/specification/blob/2.0-dev/tools/src/test/resources/2.0/valid-component-choice-or-2.0.json

lets make them a bit more realistic, by
- flagging the existing HBOMs as pre-build phase
- adding a new planing-phase example, that uses one if the existing `libxml` implementations for js:
- adding a new runtime-ready build-phase example, that can use any of the existing providers for `psr/log-implementation`: