Update package version to 21.1.6

pkg.info

@@ -1,6 +1,6 @@
 name: llvm
 description: A collection of modular and reusable compiler and toolchain technologies
-version: 21.1.5
+version: 21.1.6
 revision: 1
 url: https://llvm.org
 license: Apache2-with-llvm-exception
@@ -18,23 +18,23 @@ downloads:
   - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/llvm-${BPM_PKG_VERSION}.src.tar.xz
     extract_to: ${BPM_SOURCE}
     extract_strip_components: 1
-    checksum: c9d6ca5073255192850471a276b3a00a6555c6dd09df6cb3eab77801f0a1cae0
+    checksum: 908bce97be0275943414b45af2e2b20e8f6d5d9266fdc120bd59f096ebc547ad
   - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/clang-${BPM_PKG_VERSION}.src.tar.xz
     extract_to: ${BPM_SOURCE}/tools/clang
     extract_strip_components: 1
-    checksum: eee4de3b3f01ea6dd6b0936ac8be319eef0a65d0022def258c70110e3743807c
+    checksum: 348ace5d715c4caa6fb89b4c6fe07c21650e10b2fac37d8b0db75c0b11be9011
   - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/compiler-rt-${BPM_PKG_VERSION}.src.tar.xz
     extract_to: ${BPM_SOURCE}/projects/compiler-rt
     extract_strip_components: 1
-    checksum: 967c2afba250b325ba4482b12a819ef8cbee178eed45d7b5e14f0368b05adedf
+    checksum: bdd904f3aac9f4c4424f3440aff498cc04d66f243e37156b6d167ffb7b599f89
   - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/cmake-${BPM_PKG_VERSION}.src.tar.xz
     extract_to: cmake
     extract_strip_components: 1
-    checksum: 48013d5714a96419bf993a2e5e4c5827377e8cf9c565070731fb2305d50d9511
+    checksum: e364f135fa14c343d70cac96f577f44e8e20bf026682f647f8c3c5687a0bebd1
   - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/third-party-${BPM_PKG_VERSION}.src.tar.xz
     extract_to: third-party
     extract_strip_components: 1
-    checksum: 4ccc00ec2e7bd0cc121eaa34fa25a0480bfb8a5722faf1694720e0be99b753e6
+    checksum: 8d09dc219cdb3da7dafd2161836aacdd6e02c1a113498ab5f37688599406dc8a
 split_packages:
   - name: llvm
     depends: