[3.13][3.14] GHA: Display output when a sanitizer test fails (#151268) (#151273) (#151280)

[3.14] GHA: Display output when a sanitizer test fails (#151268) (#151273)

GHA: Display output when a sanitizer test fails (#151268)

Modify GitHub Action "Reusable Sanitizer" to display output when a
test fails: pass -W option.

(cherry picked from commit 3a8bebd)
(cherry picked from commit bc75e47)

Author: vstinner

.github/workflows/reusable-san.yml

@@ -86,7 +86,7 @@ jobs:
       run: >-
         ./python -m test
         ${{ inputs.sanitizer == 'TSan' && '--tsan' || '' }}
-        -j4
+        -j4 -W
     - name: Display logs
       if: always()
       run: find "${GITHUB_WORKSPACE}" -name 'san_log.*' | xargs head -n 1000