ci(port): Fix clang 14 build in GHA

[olanti-p]

Summary

SUMMARY: Build "[DDA Port] Fixed clang 14 build in GHA"

Purpose of change

Clang14 asan tests are failing to build.

Describe the solution

GitHub has installed gcc 13 on runners, so now clang tries to compile against gcc 13 toolchain and fails.
Solution is to trick clang into using an older gcc toolchain.
Original PR: CleverRaven/Cataclysm-DDA#62405

Describe alternatives you've considered

This could've been done with a single argument if we had clang 16 and its --gcc-install-dir option.

Testing

Waiting for GHA to complete the checks.

Additional context

tony_stark_tired_face.jpg

Checklist

If this is a C++ PR that modifies JSON loading or behavior:

• Document the changes in the appropriate location in the doc/ folder.
• If documentation for this feature does not exist, please write it or at least note its lack in PR description.
• New localizable fields need to be added to the lang/bn_extract_json_strings.sh script if it does not support them yet.
• If applicable, add checks on game load that would validate the loaded data.
• If it modifies format of save files, please add migration from the old format.

If this is a PR that modifies build process or code organization:

• Please document the changes in the appropriate location in the doc/ folder.
• If documentation for this feature or process does not exist, please write it.
• If the change alters versions of software required to build or work with the game, please document it.

If this is a PR that removes JSON entities:

• The removed JSON entities have new entries in data/json/obsoletion/ folder.

[Firestorm01X2]

Let's try that