Update package version to 21.1.6

pkg.info

@@ -1,6 +1,6 @@
 name: spirv-llvm-translator
 description: A tool and a library for bi-directional translation between SPIR-V and LLVM IR
-version: 21.1.5
+version: 21.1.6
 revision: 1
 url: https://github.com/KhronosGroup/SPIRV-LLVM-Translator
 license: LicenseRef-custom
@@ -21,4 +21,4 @@ downloads:
   - url: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/archive/v${BPM_PKG_VERSION}/SPIRV-LLVM-Translator-${BPM_PKG_VERSION}.tar.gz
     extract_to: ${BPM_SOURCE}
     extract_strip_components: 1
-    checksum: 704fb1d0244a688b97decafbb51deb11774a081d5ef31652245a2527b658e0a7
+    checksum: 63b0def85f17f7cfe2958efe24220c53c89a8680a82224da318de85f55424e01