v1.1.8

ModernGL v1.1.8

Diff since v1.1.5

Merged pull requests:

• correctly reference build file (#76) (@SimonDanisch)
• Zero initalize ptr_ref (#77) (@vchuravy)
• Update TagBot.yml (#79) (@musm)
• rm deps/build.jl (#82) (@IanButterworth)

Closed issues:

• Update to OpenGL 4.6 (#42)
• Wrong version displayed, v1.1.5 instead of v1.1.7 (#78)
• error: shader input explicit location requires GL_ARB_explicit_attrib_location extension or GLSL 3.30 (#81)