docs: add release notes for 24.3.0

docs/relnotes.rst

@@ -3,6 +3,7 @@ Release Notes
 
 The release notes summarize what's new or changed in each Mesa release.
 
+-  :doc:`24.3.0 release notes <relnotes/24.3.0>`
 -  :doc:`24.2.6 release notes <relnotes/24.2.6>`
 -  :doc:`24.2.5 release notes <relnotes/24.2.5>`
 -  :doc:`24.2.4 release notes <relnotes/24.2.4>`
@@ -435,6 +436,7 @@ The release notes summarize what's new or changed in each Mesa release.
    :maxdepth: 1
    :hidden:
 
+   24.3.0 <relnotes/24.3.0>
    24.2.6 <relnotes/24.2.6>
    24.2.5 <relnotes/24.2.5>
    24.2.4 <relnotes/24.2.4>

docs/relnotes/new_features.txt

@@ -1,29 +0,0 @@
-Expose Vulkan 1.3 on v3dv, both rpi4 and rpi5
-VK_EXT_descriptor_buffer on nvk
-VK_EXT_post_depth_coverage on nvk
-VK_KHR_video_maintenance1 on radv
-VK_EXT_legacy_vertex_attributes on nvk
-GL_KHR_shader_subgroup on radeonsi
-VK_KHR_maintenance7 on nvk
-VK_KHR_dynamic_rendering_local_read on nvk
-GL_ARB_timer_query on Panfrost
-GL_EXT_disjoint_timer_query on Panfrost
-VK_KHR_pipeline_binary on RADV
-VK_KHR_compute_shader_derivatives on anv
-VK_NV_compute_shader_derivatives on nvk
-VK_KHR_compute_shader_derivatives on nvk
-VK_KHR_compute_shader_derivatives on radv
-VK_KHR_shader_relaxed_extended_instruction on anv, hasvk, hk, nvk, radv, tu, v3dv, lvp
-GL_OVR_multiview and GL_OVR_multiview2 on zink
-VK_KHR_shader_float_controls2 on radv
-VK_KHR_shader_float_controls2 on nvk
-VK_EXT_device_generated_commands on nvk, radv
-VK_EXT_host_image_copy on nvk/Turing+
-VK_EXT_depth_clamp_control on anv, hasvk, nvk, radv
-VK_KHR_shader_quad_control on nvk
-GL_EXT_draw_buffers2 on etnaviv/HALTI5+
-GL_ARB_draw_buffers_blend on etnaviv/HALTI5+
-VK_KHR_fragment_shading_rate on NVK
-GL_ARB_draw_indirect on etnaviv/HALTI5+
-VK_EXT_depth_clamp_zero_one on NVK
-GL_ARB_framebuffer_no_attachments on etnaviv