Changes to POST /EXPERIMENTAL_light_client_block_proof

added subschema #6 subschema #7 subschema #8 subschema #9 subschema #10 to the oneOf[subschema #2]/error/oneOf[subschema #2]/cause response property oneOf list for the response status 200

added the optional property oneOf[subschema #1]/result/block_header_lite/inner_lite/chunk_execution_root to the response with the 200 status

request property jsonrpc was restricted to a list of enum values

the request property id became optional

the request property jsonrpc became optional

the id request property default value dontcare was added

the jsonrpc request property default value 2.0 was added

added the new 2.0 enum value to the request property jsonrpc