fix(deps): update github.com/go-gl/gl commit hash to 48a7a00 (#636)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

go.mod

@@ -5,7 +5,7 @@ go 1.12
 require (
 	github.com/Xuanwo/go-locale v1.1.0
 	github.com/davecgh/go-spew v1.1.1
-	github.com/go-gl/gl v0.0.0-20211025173605-bda47ffaa784
+	github.com/go-gl/gl v0.0.0-20211208232342-48a7a0013f73
 	github.com/go-gl/glfw/v3.3/glfw v0.0.0-20211204153444-caad923f49f4
 	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.7.0

go.sum

@@ -25,6 +25,8 @@ github.com/go-gl/gl v0.0.0-20210905235341-f7a045908259 h1:8q7+xl2D2qHPLTII1t4vSM
 github.com/go-gl/gl v0.0.0-20210905235341-f7a045908259/go.mod h1:wjpnOv6ONl2SuJSxqCPVaPZibGFdSci9HFocT9qtVYM=
 github.com/go-gl/gl v0.0.0-20211025173605-bda47ffaa784 h1:1Zi56D0LNfvkzM+BdoxKryvUEdyWO7LP8oRT+oSYJW0=
 github.com/go-gl/gl v0.0.0-20211025173605-bda47ffaa784/go.mod h1:9YTyiznxEY1fVinfM7RvRcjRHbw2xLBJ3AAGIT0I4Nw=
+github.com/go-gl/gl v0.0.0-20211208232342-48a7a0013f73 h1:pEz0Y+wxenvKwyoY8lRrQsgf+u26fbvjh7FilPUb1kI=
+github.com/go-gl/gl v0.0.0-20211208232342-48a7a0013f73/go.mod h1:9YTyiznxEY1fVinfM7RvRcjRHbw2xLBJ3AAGIT0I4Nw=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200420212212-258d9bec320e h1:8ywu4ELC/6owgOZlZx75CyYS5AYwUT2L+hzPModKvag=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200420212212-258d9bec320e/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200625191551-73d3c3675aa3 h1:q521PfSp5/z6/sD9FZZOWj4d1MLmfQW8PkRnI9M6PCE=