Version 11.6.0

Supported Node.js versions:

• (chore) Drops support for Node 12.x, which is no longer supported by Node.js.

Default build changes:

• add wasm to default :common build (#3526) [Josh Goebel][]
• add graphql to default :common build (#3526) [Josh Goebel][]

Grammars:

• fix(json) changed null/booleans from keyword to literal shikhar13012001
• enh(gml) reorganized and added additional keywords Bluecoreg
• enh(csharp) Added support for the new keyword in C# (#3571) [David Pine][]