[llvm] allow building with builtin_llvm=OFF in Ubuntu26 - #22513

"github.event.pull_request.head.ref" is potentially untrusted. avoid using it directly in inline scripts. instead, pass it through an environment variable. see https://docs.github.com/en/actions/reference/security/secure-use#good-practices-for-mitigating-script-injection-attacks for more details

property "extra-runs-on" is not defined in object type {architecture: string; image: string; is_special: bool; overrides: array<string>; platform_config: string; property: string; python_venv: string}

property "extra-runs-on" is not defined in object type {architecture: string; image: string; is_special: bool; overrides: array<string>; platform_config: string; property: string; python_venv: string}

"github.event.pull_request.head.ref" is potentially untrusted. avoid using it directly in inline scripts. instead, pass it through an environment variable. see https://docs.github.com/en/actions/reference/security/secure-use#good-practices-for-mitigating-script-injection-attacks for more details

"github.event.pull_request.head.ref" is potentially untrusted. avoid using it directly in inline scripts. instead, pass it through an environment variable. see https://docs.github.com/en/actions/reference/security/secure-use#good-practices-for-mitigating-script-injection-attacks for more details

shellcheck reported issue in this script: SC2035:info:2:4: Use ./*glob* or -- *glob* so names with dashes won't become options

shellcheck reported issue in this script: SC2012:info:3:9: Use find instead of ls to better handle non-alphanumeric filenames

shellcheck reported issue in this script: SC2006:style:1:22: Use $(...) notation instead of legacy backticks `...`

shellcheck reported issue in this script: SC2045:warning:5:10: Iterating over ls output is fragile. Use globs

the runner of "actions/setup-node@v3" action is too old to run on GitHub Actions. update the action's version to fix this issue