Update package version to 21.1.8

pkg.info

@@ -1,6 +1,6 @@
 name: llvm
 description: A collection of modular and reusable compiler and toolchain technologies
-version: 21.1.7
+version: 21.1.8
 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: ${BPM_SOURCE}
     extract_strip_components: 1
-    checksum: 8657ee188b673a3285b991131abe905b4129a18d52d334f9d122463164ecd000
+    checksum: d9022ddadb40a15015f6b27e6549a7144704ded8828ba036ffe4b8165707de21
   - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/clang-${BPM_PKG_VERSION}.src.tar.xz
     extract_to: ${BPM_SOURCE}/tools/clang
     extract_strip_components: 1
-    checksum: eeb5296f46eacc0a1fe6c47a1af9e8d4eb2a5da7254fd8dbc4fc1f1be74315a1
+    checksum: 6090e3f23720d003cdd84483a47d0eec6d01adbb5e0c714ac0c8b58de546aa62
   - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/compiler-rt-${BPM_PKG_VERSION}.src.tar.xz
     extract_to: ${BPM_SOURCE}/projects/compiler-rt
     extract_strip_components: 1
-    checksum: 4358e4476ab89b6ca9e4174f05f4a2c2c10e4a41c3c7febd25afe96bc27b5758
+    checksum: dd54ae21aee1780fac59445b51ebff601ad016b31ac3a7de3b21126fd3ccb229
   - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/cmake-${BPM_PKG_VERSION}.src.tar.xz
     extract_to: cmake
     extract_strip_components: 1
-    checksum: f25ca011e4453ac035e940aa729d482d08eb83a91b4aaf1f230dc9ea28cadfa4
+    checksum: 85735f20fd8c81ecb0a09abb0c267018475420e93b65050cc5b7634eab744de9
   - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/third-party-${BPM_PKG_VERSION}.src.tar.xz
     extract_to: third-party
     extract_strip_components: 1
-    checksum: 5fe212feb27f325fa29530eb38e746a73d18205bf6a36d9800778a94108d2ee5
+    checksum: 7fe99424384aea529ffaeec9cc9dfb8b451fd1852c03fc109e426fe208a1f1a7
 split_packages:
   - name: llvm
     depends: