.github: add 'gl' feature

Signed-off-by: Marc-André Lureau <[email protected]>

Author: elmarco

.github/workflows/CI.yml

@@ -43,7 +43,7 @@ jobs:
         conf:
           - { name: "gtk4", features: "v4_12,xml_validation,blueprint", test_sys: false }
           - { name: "gsk4", features: "v4_10,broadway", test_sys: true }
-          - { name: "gdk4", features: "v4_12", test_sys: true }
+          - { name: "gdk4", features: "v4_12,gl", test_sys: true }
           - { name: "gdk4-wayland", features: "v4_12,wayland_crate,egl,xkb_crate", test_sys: true }
           - { name: "gdk4-x11", features: "v4_4,xlib,egl", test_sys: false }
           - { name: "gtk4-macros", features: "xml_validation,blueprint", test_sys: false }

.github/workflows/docs.yml

@@ -67,6 +67,7 @@ jobs:
             --extern-html-root-url=khronos_egl=https://docs.rs/khronos-egl/latest/
             --extern-html-root-url=xkb=https://docs.rs/xkb/latest/
             --extern-html-root-url=windows=https://microsoft.github.io/windows-docs-rs/doc/
+            --extern-html-root-url=gl=https://docs.rs/gl/latest/
             --cfg docsrs
             -Zunstable-options --generate-link-to-definition
       - uses: actions-rs/cargo@v1