fix CI locale warning?

Author: hebasto

.github/workflows/ci.yml

@@ -138,7 +138,10 @@ jobs:
           restore-keys: ${{ github.job }}-${{ matrix.job-type }}-ccache-
 
       - name: CI script
-        run: ./ci/test_run_all.sh
+        run: |
+          locale
+          ./ci/test_run_all.sh
+          locale
         env:
           FILE_ENV: ${{ matrix.file-env }}
 

ci/test/00_setup_env_mac_native.sh

@@ -4,7 +4,8 @@
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-export LC_ALL=C.UTF-8
+export LANG="C.UTF-8"
+export LC_ALL="C.UTF-8"
 
 # Homebrew's [email protected] is marked as externally managed (PEP 668).
 # Therefore, `--break-system-packages` is needed.