ci(tmp): force clang on linux

Author: aaraney

.github/actions/ngen-build/action.yaml

@@ -189,6 +189,7 @@ runs:
           # and with older pybind11 versions, the minimum cmake version is set to 3.4
           # which causes cmake configuration to fail.
           run: |
+            which apt && sudo apt update && sudo apt install clang-17 && export CC=clang && export CXX=clang++ && echo "USING CLANG"
             export BOOST_ROOT="$(pwd)/boost_1_86_0"
             export CFLAGS="-fsanitize=address -O1 -g -fno-omit-frame-pointer -Werror"
             export CXXFLAGS="-fsanitize=address -O1 -g -fno-omit-frame-pointer -pedantic-errors -Werror -Wpessimizing-move -Wparentheses -Wrange-loop-construct -Wsuggest-override"

.github/workflows/test_and_validate.yml

@@ -116,7 +116,7 @@ jobs:
     # The type of runner that the job will run on
     strategy:
       matrix:
-        os: [ubuntu-22.04, macos-26]
+        os: [ubuntu-24.04, macos-26]
       fail-fast: false
     runs-on: ${{ matrix.os }}