Fix ram_utilization_factor deprecation warning

Test Plan: CI

X-Origin-Diff: phab/D486
GitOrigin-RevId: 2ef96572fab6e00c5b6c414ff542c8559eb6a84b
diff --git a/.bazelrc b/.bazelrc
index 0957da3..fcf8971 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -1,5 +1,5 @@
 startup --batch_cpu_scheduling --io_nice_level 7
-build --jobs 12 --ram_utilization_factor 50
+build --jobs 12 --local_ram_resources=HOST_RAM*0.5
 test --jobs 12 --test_output=errors
 
 # Build with SELinux, needed for containerd & kubelet