antlr4

Minor updates release.

Pull requests grouped by target

cpp target

• [Cpp] Use target_include_dirs for cmake targets (target:cpp)
• Update C++ documentation to state that C++17 is required (comp:doc, target:cpp)

go target

• [fix go-target.md, remove duplicate 'get'](https://github.com/an...

Pull requests grouped by target

csharp target

• [CSharp] Fix for #4386 -- change signatures for ReportAttemptingFullContext() and ReportContextSensitivity() to be identical to all other targets (target:csharp, type:cleanup)

go target

• [Move GetText(), SetText(), and String() from CommonToken to BaseToken](https://github.com/antlr/ant...

This is primarily change to the Go target itself and its release location, which has moved to https://github.com/antlr4-go/antlr. The code still lives and this repository, but for release purposes we've created a new organization and repository so that Go users can pull versions down according to the repository and label rules

Issues fixed

• [antlr4 jar doubled in size in 4.9.3](https://git...

The 4.12.0 release is primarily about the new TypeScript target created by @ericvergnaud. There are also a number of fixes to the various targets, as you can see from the descriptions below.

Issues fixed

• github actions now fail for python2 and ubuntu clang and ubuntu swift (comp:runtime, comp:build, comp:testing)
• [js mergeArrays output dif...

Just fixes 4.11.0 release issue. I forgot to change runtime tool version so it didn't say SNAPSHOT.