Different Bazel instances can share the zig cache all right.
@@ -7,5 +7,3 @@ build --worker_sandboxing
build --experimental_reuse_sandbox_directories
build --incompatible_enable_cc_toolchain_resolution
build --action_env BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN=1
try-import %workspace%/.custom.ci.bazelrc
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