SYCL: Set the SYCL_PROGRAM_COMPILE_OPTIONS env variable in the CI #12736
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The CPY operation tests occasionally fail on both nvptx and intel targets of the SYCL backend, which stem from using lesser precise instructions. Setting the environment
SYCL_PROGRAM_COMPILE_OPTIONto-cl-fp32-correctly-rounded-divide-sqrtresolves this issue. On the nvptx backends, passing-fno-fast-mathresolves the same.This PR adds the environment variables, and conveys the same via the SYCL.md file.