[lld] [LLD] [COFF] Print a warning when using /dependentloadflag without load config (PR #117400)

[Martin Storsjö via llvm-commits]

mstorsjo wrote:

@mati865 Can you uncheck the box in your github settings, to keep your account email secret? If I do a squash&merge (the only one allowed here), it sets an anonymized email for the resulting commit, see https://github.com/llvm/llvm-project/blob/main/.github/workflows/email-check.yaml#L34.

https://github.com/llvm/llvm-project/pull/117400