Use preserve_frame_pointers cranelift flag as necessary

[bjorn3]

Added in bytecodealliance/wasmtime#4469 which hasn't landed in a stable release yet. It should be set if -Cforce-frame-pointers=yes is used or if the frame_pointer option in the target spec is not set to FramePointer::MayOmit.

[bjorn3]

All cranelift flags are set in https://github.com/bjorn3/rustc_codegen_cranelift/blob/6641b3a548a425eae518b675e43b986094daf609/src/lib.rs#L252