Merge branch 'update/cjson_v1_7_12_v3.0' into 'release/v3.0'

Update cJSON to v1.7.12 (v3.0)

See merge request espressif/esp-idf!5854
This commit is contained in:
Jiang Jiang Jian
2019-09-08 16:38:15 +08:00