3.1 3.2 schemas: Link Object schema has `body` property instead of `server`

[ralfhandl]

The Link Object scbemas for 3.1 and 3.2 have the server fixed field "mis-spelled" as body:

OpenAPI-Specification/src/schemas/validation/schema.yaml

Lines 633 to 634 in 97982a5

	body:
	$ref: '#/$defs/server'

OpenAPI-Specification/src/schemas/validation/schema.yaml

Lines 633 to 634 in ac2fde4

	body:
	$ref: '#/$defs/server'

Fix for 3.2 is included in

• 3.2: schema test coverage #4456

Fix for 3.1

• 3.1: fix Link Object schema #4465