Bump pyyaml from 5.1 to 5.4 in /Human Activity Detection

Bumps [pyyaml](https://github.com/yaml/pyyaml) from 5.1 to 5.4.
- [Changelog](https://github.com/yaml/pyyaml/blob/master/CHANGES)
- [Commits](yaml/pyyaml@5.1...5.4)

---
updated-dependencies:
- dependency-name: pyyaml
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Human Activity Detection/requirements.txt

@@ -7,7 +7,7 @@ opencv-python==4.1.2.30
 pytorch_lightning==1.3.3
 torch==1.13.1
 torchvision==0.9.1
-pyyaml==5.1
+pyyaml==5.4
 Werkzeug==2.2.3
 torchtext
 pytorch_lightning