fix(ci): LLVM apt repo

Author: hack3ric

.github/workflows/push.yml

@@ -161,7 +161,8 @@ jobs:
         run: |
           wget https://apt.llvm.org/llvm.sh
           chmod +x llvm.sh
-          for _clang_version in {15..21}; do
+          # Ubuntu 24.04 officially packages LLVM 15 and 16
+          for _clang_version in {17..21}; do
             sudo ./llvm.sh $_clang_version
           done
           sudo apt update