Update CI.yml to free up disk space for viral_refbased and viral_assemble tests#809

Copilot wants to merge 2 commits intomainchanzuckerberg/miniwdl:mainfrom

copilot/fix-954e6afe-6b0c-4bbb-8d20-2137635aa4f3chanzuckerberg/miniwdl:copilot/fix-954e6afe-6b0c-4bbb-8d20-2137635aa4f3Copy head branch name to clipboard