filetreelist: exclude demo.gif from published crates #8196

Job	Run time
build-apple-x86 (nightly)	6m 20s
build (ubuntu-latest, nightly)	8m 1s
build-linux-musl (nightly)	3m 28s
build-linux-arm (nightly)	6m 3s
build-apple-x86 (stable)	2m 11s
build-linux-arm (stable)	5m 58s
build (ubuntu-latest, stable)	7m 48s
build-linux-musl (stable)	3m 23s
build-apple-x86 (1.70)	5m 56s
build-linux-arm (1.70)	5m 52s
build-linux-musl (1.70)	3m 21s
build (ubuntu-latest, 1.70)	7m 45s
build (macos-latest, nightly)	7m 12s
Lints	3m 21s
build (macos-latest, stable)	7m 34s
udeps	7m 37s
Changelog Test	8s
build (macos-latest, 1.70)	6m 55s
build (windows-latest, nightly)	6m 46s
build (windows-latest, stable)	10m 4s
build (windows-latest, 1.70)	5m 41s
	2h 1m 24s

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