FinalGCLowering: Invalidate all analyses when modifications are made. (#61422)
https://github.com/JuliaLang/julia/pull/57769 moved `lowerWriteBarrier`
from `LateLowerGCFrame` into FinalLowerGC, causing it to modify the CFG.
This was not reflected in the invalidation of analyses, resulting in
issues such as https://github.com/JuliaGPU/GPUCompiler.jl/issues/777.
Closes https://github.com/JuliaGPU/GPUCompiler.jl/issues/777