Add `flutter-version-file` #19

Job	Run time
lint_shellcheck	4s
test_cache (ubuntu-latest)	13s
test_print_output	6s
test_cache (windows-latest)	1m 41s
test_channel (ubuntu-latest, stable)	35s
test_cache (macos-latest)	1m 17s
test_channel (ubuntu-latest, beta)	1m 17s
test_cache (macos-13)	47s
test_channel (ubuntu-latest, master)	43s
test_cache (macos-14)	33s
test_channel (windows-latest, stable)	1m 28s
test_channel (windows-latest, beta)	1m 38s
test_channel (windows-latest, master)	1m 24s
test_channel (macos-latest, stable)	1m 5s
test_channel (macos-latest, beta)	1m 6s
test_channel (macos-latest, master)	1m 23s
test_channel (macos-13, stable)	1m 1s
test_channel (macos-13, beta)	56s
test_channel (macos-13, master)	1m 3s
test_channel (macos-14, stable)	43s
test_channel (macos-14, beta)	49s
test_channel (macos-14, master)	49s
test_channel (ubuntu-latest, main)	39s
	21m 20s

Provide feedback