envoy-linux (bazel asan) runs out of disk space on release/v1.12

`envoy-linux (bazel asan)` fails on `release/v1.12` branch due to `No space left on device`.

e.g. https://dev.azure.com/cncf/envoy/_build/results?buildId=30580&view=logs&jobId=930b2ee4-0ea7-5b74-a645-6bc26962bc06&j=930b2ee4-0ea7-5b74-a645-6bc26962bc06&t=a22da363-b496-51fd-d3eb-ba836106d671