Count the denoise model in the Windows installer's smoke test

package.sh stages models/denoise beside face, scene and inpaint, and
the smoke test counted only the other three, so 0.21.0's Windows job
failed with "expected 14 model files, installed 15". The count reads
the same directories package.sh copies, as its comment intends.

.gitea/workflows/build-and-test.yml

@@ -490,7 +490,7 @@ jobs:
           # As many files as package.sh stages: everything but the READMEs in
           # the directories it copies. A literal here went stale the first
           # time a model was added.
-          WANT=$(find models/face models/scene models/inpaint -maxdepth 1 -type f ! -name README.md | wc -l)
+          WANT=$(find models/face models/scene models/inpaint models/denoise -maxdepth 1 -type f ! -name README.md | wc -l)
           GOT=$(ls "$INST/models" | wc -l)
           [ "$GOT" = "$WANT" ] || { echo "FAIL: expected $WANT model files, installed $GOT"; exit 1; }
           # The manual, and every picture it shows, counted the same way.