json-glib: upgrade 1.8.0 -> 1.10.0

json-glib: upgrade 1.8.0 -> 1.10.0

License-Update:
 Add copyright and licensing metadata to all files
 Changed to LGPL-2.1-or-later

Changelog:
==========
- Improve conformance of the JSON parser
- Add conformance test suite from https://github.com/nst/JSONTestSuite
- Add JsonParser:strict to enable strict parsing
- Add '--strict' to json-glib-validate to enable strict parsing
- Deprecate the signals on JsonParser
- Port tools man pages from DocBook to reStructureText
- Add "documentation" configuration option, and deprecate "gtk_doc"
- Add JsonGenerator.take_root()
- Documentation improvements for JsonReader
- Raise parser error for malformed Unicode
- Build fixes and performance improvements
- Allow disabling installed tests
- Support parsing multiple root statements in non-strict mode
- Allow loading files >4GB with json-glib-validate

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>