Disable fsmonitor #123

Job	Run time
test (Vim, head, ubuntu-latest)	4m 0s
test (Vim, head, macos-latest)	3m 40s
test (Vim, head, windows-latest)	55s
test (Vim, stable, ubuntu-latest)	3m 47s
test (Vim, stable, macos-latest)	3m 23s
test (Vim, stable, windows-latest)	47s
test (Vim, oldest, ubuntu-latest)	3m 21s
test (Vim, oldest, windows-latest)	2m 52s
test (Neovim, head, ubuntu-latest)	6s
test (Neovim, head, macos-latest)	2m 22s
test (Neovim, head, windows-latest)	2m 28s
test (Neovim, stable, ubuntu-latest)	2m 15s
test (Neovim, stable, macos-latest)	12s
test (Neovim, stable, windows-latest)	17s
	30m 25s

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