devel/spirv-llvm-translator: update to 21.1.3/20.1.9/19.1.14/18.1.19/1[5-7].0.19/14.0.18/11.0.6

Changes: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/releases/tag/v11.0.6
Changes: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/releases/tag/v14.0.18
Changes: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/releases/tag/v15.0.19
Changes: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/releases/tag/v16.0.19
Changes: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/releases/tag/v17.0.19
Changes: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/releases/tag/v18.1.19
Changes: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/releases/tag/v19.1.14
Changes: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/releases/tag/v20.1.9
Changes: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/releases/tag/v21.1.3
Reported by: GitHub (watch releases)