Update AAS interface to bugfix v3.0.2

[thomas-henn]

New Bugfix Release (3.0.2) is available. Useful links:

• https://industrialdigitaltwin.org/en/content-hub/aasspecifications
• https://github.com/admin-shell-io/aas-specs/releases/tag/IDTA-01001-3-0-1_schemasV3.0.8 Metamodel
• https://github.com/admin-shell-io/aas-specs-api/releases/tag/v3.0.2
• https://app.swaggerhub.com/apis/Plattform_i40/AssetAdministrationShellRegistryServiceSpecification/V3.0.2_SSP-001

Asset AdminstrationShellRegisty - Compare v3.0.2_SSP-001 with v3.0.2_SSP-001

1. GET /description
Changes in Media types

2. DELETE & GET & PUT: /shell-descriptors/{aasIdentifier}
Parameter:
- Changed aasIdentifier in path to use string instead of byte

3. DELETE & GET & PUT:/shell-descriptors/{aasIdentifier}/submodel-descriptors/{submodelIdentifier}}
Parameter:
- Changed aasIdentifier and submodelIdentifier in path to use string instead of byte

4. PATTERN for all fields changed

Discovery - Compare v3.0.2_SSP-001 with v3.0.2_SSP-001

1. Changed aasIdentifier to use string instead of byte
2. PATTERN for all fields changed

[agg3fe]

Changelog:
https://admin-shell-io.github.io/aas-specs-antora/IDTA-01002/v3.1/changelog.html#_changes_w_r_t_v3_0_1_to_v3_0_2

[tunacicek]

@thomas-henn , @agg3fe :
PR is created #455

I've added some smaller TODOs to the openAPI YML file that need to be clarified.