devel/vulkan-*: update to 1.2.162

Changes: https://github.com/KhronosGroup/Vulkan-Headers/compare/sdk-1.2.154.0...v1.2.162
Changes: https://github.com/KhronosGroup/Vulkan-Loader/compare/sdk-1.2.154.1...v1.2.162
Changes: https://github.com/KhronosGroup/Vulkan-Tools/compare/sdk-1.2.154.0...v1.2.162
Changes: https://github.com/KhronosGroup/Vulkan-ValidationLayers/compare/sdk-1.2.154.0...v1.2.162
Changes: https://github.com/KhronosGroup/SPIRV-Tools/compare/v2020.4...v2020.6
PR: 251698
Approved by: Greg V <greg@unrelenting.technology> (maintainer)