Use public mkdocs-material for docs deploy #721

Job	Run time
windows-msvc-shared (BOOST_SERIALIZATION)	8m 35s
windows-msvc-shared (YAML)	5m 1s
windows-msvc-shared (UBJSON)	9m 5s
windows-msvc-shared (PARQUET)	34m 13s
windows-msvc-shared (TOML)	3m 46s
windows-msvc-shared (JSON)	14m 4s
windows-msvc-shared (FLEXBUFFERS)	6m 10s
windows-msvc-shared (XML)	4m 2s
windows-msvc-shared (AVRO)	6m 1s
windows-msvc-shared (CAPNPROTO)	7m 59s
windows-msvc-shared (MSGPACK)	4m 5s
windows-msvc-shared (CBOR)	8m 56s
windows-msvc (PARQUET)	42m 35s
windows-msvc (JSON)	11m 46s
windows-msvc (CEREAL)	4m 21s
windows-msvc (MSGPACK)	3m 50s
windows-msvc (YAML)	5m 0s
windows-msvc (FLEXBUFFERS)	5m 49s
windows-msvc (UBJSON)	7m 10s
windows-msvc (AVRO)	8m 3s
windows-msvc (BOOST_SERIALIZATION)	7m 45s
windows-msvc (benchmarks)	58m 25s
windows-msvc (CAPNPROTO)	9m 5s
windows-msvc (XML)	3m 57s
windows-msvc (TOML)	4m 34s
windows-msvc (CBOR)	8m 51s
	4h 53m 8s

Provide feedback