Bump opencv-python from 4.5.4.58 to 4.5.4.60 (de-code#149)

Bumps [opencv-python](https://github.com/skvark/opencv-python) from 4.5.4.58 to 4.5.4.60.
- [Release notes](https://github.com/skvark/opencv-python/releases)
- [Commits](https://github.com/skvark/opencv-python/commits)

---
updated-dependencies:
- dependency-name: opencv-python
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

added backwards compatibility with opencv 4.5.2 and below (keypoints) (…

…de-code#139)

* Update draw.py 

Error in draw 
TypeError: KeyPoint() missing required argument '_size' (pos 3)

was size=3 
change to _size=3

* handle get_cv_keypoints

wraps cv2.KeyPoint(..., size=3), cv2.KeyPoint(..., _size=3) in try except block to handle change in argument name between opencv versions.

* Update tf_bodypix/draw.py

Co-authored-by: Daniel Ecer <[email protected]>

* Update tf_bodypix/draw.py

Co-authored-by: Daniel Ecer <[email protected]>

Co-authored-by: Daniel Ecer <[email protected]>

added pose related api documentation (de-code#129)

* added poses example code to readme

* using urls in example to make it runnable

* added comment

improved cli docs (de-code#77)

* show cli default values

* document inputs and outputs

* move video extra above image

* using external examples to make commands runnable

* added example video

* introduce mask alpha earlier

* added more example images

* added links to used libraries

* added missing background source link

added reference to layered vision (de-code#59)

added tflite support (experimental) (de-code#40)

* tflite support (wip)

* linting

* just check for "resnet" in model path

* fallback to single tensor input

* adjust image_data shape to expected input shape

also optional image_size input

* removed commented out code

* only resize tensor if input image doesn't match

* added command to convert to tflite

* added --model-architecture argument

* added quantization arguments

* updated readme

* linting

* typo in readme

* improved wording in readme

fixed predict with certain image resultion (de-code#45)

fixed predict with internal image resultion matching output stride plus one

fixed resnet urls (de-code#31)

added project goals to readme (de-code#30)

added args for source image size and fourcc (de-code#23)

* added args for source image size and fourcc

* slightly improved help text