Use build target julia-src-debug

Author: tkf

.buildkite/pipelines/main/misc/sanitizers.yml

@@ -43,4 +43,4 @@ steps:
       (pipeline.slug != "julia-release-1-dot-6") && (pipeline.slug != "julia-release-1-dot-7")
     commands: |
       echo "--- Build julia-debug runtime with TSAN"
-      contrib/tsan/build.sh ./tmp/test-tsan -j$${JULIA_CPU_THREADS:?} -C src debug
+      contrib/tsan/build.sh ./tmp/test-tsan -j$${JULIA_CPU_THREADS:?} julia-src-debug