* Update release number to 113.
Github Issues:
* Fix typo in `<<VK_EXT_global_priority>>` appendix (public issue 979).
Internal Issues:
* Expand the explanation of
slink:VkSamplerYcbcrConversionImageFormatPropertiesKHR::pname:combinedImageSamplerDescriptorCount,
and explain how it interacts with slink:VkWriteDescriptorSet,
slink:VkDescriptorSetLayoutBinding::pname:descriptorCount, and
slink:VkDescriptorPoolSize::pname:descriptorCount (internal issue 1643).
* Clarify restrictions on components for code:OpImageGather in the
<<spirvenv-module-validation, Validation Rules within a Module>> section
(internal issue 1707).
* Clarify the descriptions of <<limits-computeUnitsPerShaderArray,
pname:computeUnitsPerShaderArray>> and <<limits-wavefrontSize,
pname:wavefrontSize>> fields in
slink:VkPhysicalDeviceShaderCorePropertiesAMD.
New Extensions:
* `<<VK_EXT_texel_buffer_alignment>>`
* `<<VK_EXT_shader_demote_to_helper_invocation>>`
