Add support for JSONB datatype

[alexander-beedie]

Minor addition of JSONB (binary json) recognition as a distinct type from JSON. Supported by a number of mainstream databases, such as PostgreSQL¹ and SQLite (for which JSONB is currently in pre-release ²³, landing soon in 3.45.0).

Footnotes

1. https://www.postgresql.org/docs/current/functions-json.html#FUNCTIONS-JSONB-OP-TABLE ↩

2. https://sqlite.org/forum/forumpost/fa6f64e3dc1a5d97 ↩

3. https://sqlite.org/draft/jsonb.html ↩

[coveralls]

Pull Request Test Coverage Report for Build 7500361261

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.005%) to 87.817%

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Totals
Change from base Build 7396929961:	0.005%
Covered Lines:	18749
Relevant Lines:	21350

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💛 - Coveralls

[alamb]

Looks good to me -- thank you @alexander-beedie