Add some more clues to the FAQ about diagnosing linking issues #243

Job	Run time
Build - Windows	10m 59s
Build & Test - macos-latest - stack.yaml	6m 52s
Build & Test - macos-latest - stack-lts-19.yaml	8m 36s
Build & Test - macos-latest - stack-lts-20.yaml	7m 44s
Build & Test - macos-latest - stack-lts-21.yaml	8m 33s
Build & Test - macos-latest - stack-nightly.yaml	7m 27s
Build & Test - ubuntu-latest - stack.yaml	23m 5s
Build & Test - ubuntu-latest - stack-lts-19.yaml	24m 28s
Build & Test - ubuntu-latest - stack-lts-20.yaml	24m 32s
Build & Test - ubuntu-latest - stack-lts-21.yaml	23m 49s
Build & Test - ubuntu-latest - stack-nightly.yaml	26m 10s
	2h 52m 15s

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