OpenAPI 3.0.x parser adapters - remove ability to recognize RC versions of the spec

[char0n]

OpenAPI 3.0.x adapter still recognize RC versions, but non of the other tooling does. This can create inconsistencies that might lead to future errors. The scope of this issue to remove support in OpenAPI 3.0.x parser adapters to recognize RC versions of OpenAPI 3.0.x spec.

[char0n]

This is related to OpenAPI 3.0.x parser adapter recognizing rc versions of OpenAPI 3.0.x spec -

apidom/packages/apidom-parser-adapter-openapi-json-3-0/src/adapter.ts

Line 9 in ae469b4

export const detectionRegExp = /"openapi"\s*:\s*"(?<version_json>3\.0\.([0123])(?:-rc[012])?)"/;

Technically if we remove the explicit rc handling from regex, nothing really changes as the regex is inclusive. We don't even support media types for rc versions:

apidom/packages/apidom-ns-openapi-3-0/src/media-types.ts

Line 27 in f92700c

const mediaTypes = new OpenAPIMediaTypes(

[char0n]

Addressed in #4320