[llvm] [llvm] add vt_gen target as a dependency of llvm/lib/Analysis (PR #120661)

[via llvm-commits]

h-vetinari wrote:

If I read the discussion in #120502 correctly, https://github.com/llvm/llvm-project/commit/0b5b09b67c572867d88bbf5b41bcc5e722ec653a should have fixed the dependence of analysis on codegen?

https://github.com/llvm/llvm-project/pull/120661