Bump knn to 1.2.4 (tensorflow#988)

Upgrade knn-classifier's dependencies on tfjs to 3.15.0 and bump its version number to 1.2.4.

Co-authored-by: ahmedsabie <[email protected]>

[qna] Upgrade qna to 1.0.1 (tensorflow#987)

Upgrade @tensorflow scoped dependencies to 3.15.0 and bump the package version to 1.0.1.

Co-authored-by: Na Li <[email protected]>

Create face-detection package from face-landmarks-detection (tensorfl…

…ow#965)

* Create face-detection package from face-landmarks-detection

* Add keypoints comment

* Rename translateOutput function

Fix mediapipe obfuscated package export name (tensorflow#950)

* Fix mediapipe obfuscated package export name

* Change window to globalThis

Fix mediapipe obfuscated package export name (tensorflow#950)

* Fix mediapipe obfuscated package export name

* Change window to globalThis

Fix mediapipe obfuscated package export name (tensorflow#950)

* Fix mediapipe obfuscated package export name

* Change window to globalThis

Remove segmentation output from execution when segmentation is disabl…

…ed (tensorflow#937)

Support passing IOHandler to model urls of selfie_segmentation (tenso…

…rflow#935)

Remove images from npm release (tensorflow#936)

Exclude demos from npm package. (tensorflow#861)