Use null to separate query files when formatting.

Safer in the presence of files with spaces.

Author: lcartey

.github/workflows/upgrade_codeql_dependencies.yml

@@ -48,8 +48,8 @@ jobs:
         env:
           RUNNER_TEMP: ${{ runner.temp }}
         run: |
-          find cpp -name '*.ql' -or -name '*.qll' | xargs --max-procs "$XARGS_MAX_PROCS" $RUNNER_TEMP/codeql/codeql query format --in-place
-          find c -name '*.ql' -or -name '*.qll' | xargs --max-procs "$XARGS_MAX_PROCS" $RUNNER_TEMP/codeql/codeql query format --in-place
+          find cpp -name '*.ql' -or -name '*.qll' -print0 | xargs -0 --max-procs "$XARGS_MAX_PROCS" $RUNNER_TEMP/codeql/codeql query format --in-place
+          find c -name '*.ql' -or -name '*.qll' -print0 | xargs -0 --max-procs "$XARGS_MAX_PROCS" $RUNNER_TEMP/codeql/codeql query format --in-place
 
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v3