Update OSX CI build to LLVM 15.0.7 (matching release builds)

Author: TheBlueMatt

.github/workflows/build.yml

@@ -353,14 +353,14 @@ jobs:
           fetch-depth: 0
       - name: Fetch upstream LLVM/clang snapshot
         run: |
-          wget -O clang+llvm-15.0.3-x86_64-apple-darwin.tar.xz https://github.com/llvm/llvm-project/releases/download/llvmorg-15.0.3/clang+llvm-15.0.3-x86_64-apple-darwin.tar.xz
-          if [ "$(shasum -a 256 clang+llvm-15.0.3-x86_64-apple-darwin.tar.xz | awk '{ print $1 }')" != "ac668586b2b3d068f1e43520a3ef0b1592e5dc3eff1a4a4b772e29803b428a69" ]; then
+          wget -O clang+llvm-15.0.7-x86_64-apple-darwin21.0.tar.xz https://github.com/llvm/llvm-project/releases/download/llvmorg-15.0.7/clang+llvm-15.0.7-x86_64-apple-darwin21.0.tar.xz
+          if [ "$(shasum -a 256 clang+llvm-15.0.7-x86_64-apple-darwin21.0.tar.xz | awk '{ print $1 }')" != "d16b6d536364c5bec6583d12dd7e6cf841b9f508c4430d9ee886726bd9983f1c" ]; then
             echo "Bad hash"
             exit 1
           fi
       - name: Unpack upstream LLVM+clang and use it by default
         run: |
-          tar xvvf clang+llvm-15.0.3-x86_64-apple-darwin.tar.xz
+          tar xvvf clang+llvm-15.0.7-x86_64-apple-darwin21.0.tar.xz
       - name: Install cbindgen
         run: cargo install cbindgen
       - name: Checkout Rust-Lightning and LDK-C-Bindings git
@@ -377,7 +377,7 @@ jobs:
           git checkout 0.0.114
       - name: Rebuild C bindings with upstream clang, and check the sample app builds + links
         run: |
-          export PATH=`pwd`/clang+llvm-15.0.3-x86_64-apple-darwin/bin:$PATH
+          export PATH=`pwd`/clang+llvm-15.0.7-x86_64-apple-darwin21.0/bin:$PATH
           cd ldk-c-bindings
           CC=clang ./genbindings.sh ../rust-lightning true
       - name: Fetch OpenJDK 18
@@ -416,7 +416,7 @@ jobs:
           export LDK_GARBAGECOLLECTED_GIT_OVERRIDE="$(git describe --tag HEAD)"
           export JAVA_HOME=`pwd`/jdk-18.0.1.1.jdk/Contents/Home
           export PATH=$JAVA_HOME/bin:$PATH
-          export PATH=`pwd`/clang+llvm-15.0.3-x86_64-apple-darwin/bin:$PATH
+          export PATH=`pwd`/clang+llvm-15.0.7-x86_64-apple-darwin21.0/bin:$PATH
           ./genbindings.sh ./ldk-c-bindings/ "-I$JAVA_HOME/include/ -I$JAVA_HOME/include/darwin -isysroot$(xcrun --show-sdk-path)" false false
 
           if [ "${{ matrix.platform }}" = "macos-11" ]; then