Rollup merge of rust-lang#151463 - jakos-sec:create-asan-target, r=Kobzol

add x86_64-unknown-linux-gnuasan to CI

Since it is a tier 2 target it should also be built by the CI workflow.

Author: JonathanBrouwer

src/ci/docker/host-x86_64/dist-various-2/Dockerfile

@@ -113,6 +113,7 @@ ENV TARGETS=$TARGETS,wasm32-wasip1
 ENV TARGETS=$TARGETS,wasm32-wasip1-threads
 ENV TARGETS=$TARGETS,wasm32-wasip2
 ENV TARGETS=$TARGETS,wasm32v1-none
+ENV TARGETS=$TARGETS,x86_64-unknown-linux-gnuasan
 ENV TARGETS=$TARGETS,x86_64-unknown-linux-gnux32
 ENV TARGETS=$TARGETS,x86_64-fortanix-unknown-sgx
 ENV TARGETS=$TARGETS,nvptx64-nvidia-cuda