renderer: Move to a full Hyprland GL rendering pipeline (#3920)

Also updates wlroots

src/render/Framebuffer.hpp

@@ -8,6 +8,7 @@ class CFramebuffer {
     ~CFramebuffer();
 
     bool      alloc(int w, int h, uint32_t format = GL_RGBA);
+    void      addStencil();
     void      bind();
     void      release();
     void      reset();