llvm -> 20.1.6

Author: lkeegan

.github/workflows/release.yml

@@ -1,7 +1,7 @@
 name: Release Builds
 on: push
 env:
-  LLVM_VERSION: "20.1.7"
+  LLVM_VERSION: "20.1.6"
 concurrency:
   group: release-${{ github.ref }}
   cancel-in-progress: true

README.md

@@ -9,4 +9,4 @@ Get the latest versions here:
 - osx (Xcode 14.3 / macOS 13): [sme_deps_llvm_osx.tgz](https://github.com/spatial-model-editor/sme_deps_llvm/releases/latest/download/sme_deps_llvm_osx.tgz)
 - osx-arm64 (Xcode 16.1 / macOS 14): [sme_deps_llvm_osx-arm64.tgz](https://github.com/spatial-model-editor/sme_deps_llvm/releases/latest/download/sme_deps_llvm_osx-arm64.tgz)
 - win64-mingw (mingw-w64-x86_64-gcc 15): [sme_deps_llvm_win64-mingw.tgz](https://github.com/spatial-model-editor/sme_deps_llvm/releases/latest/download/sme_deps_llvm_win64-mingw.tgz)
-- win64-arm64 (mingw-w64-aarch64-gcc 15): [sme_deps_llvm_win64-arm64.tgz](https://github.com/spatial-model-editor/sme_deps_llvm/releases/latest/download/sme_deps_llvm_win64-arm64.tgz)
+- win64-arm64 (mingw-w64-aarch64-clang 20): [sme_deps_llvm_win64-arm64.tgz](https://github.com/spatial-model-editor/sme_deps_llvm/releases/latest/download/sme_deps_llvm_win64-arm64.tgz)