docs: Update to OpenGL 4.6 in the release notes
After 41549a18 ("i965: Enable OpenGL 4.6 for Gen8+"), Mesa implements the OpenGL 4.6 API.
Signed-off-by: Andres Gomez agomez@igalia.com
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After 41549a18 ("i965: Enable OpenGL 4.6 for Gen8+"), Mesa implements the OpenGL 4.6 API.
Signed-off-by: Andres Gomez agomez@igalia.com