Update pyproject.toml

Author: MMathisLab

pyproject.toml

@@ -30,6 +30,7 @@ numpy = ">=1.26,<2.0"
 "ruamel.yaml" = "^0.17.20"
 colorcet = "^3.0.0"
 Pillow = ">=8.0.0"
+opencv-python-headless = ">=4.5.0,<5.0.0"
 py-cpuinfo = ">=5.0.0"
 tqdm = "^4.62.3"
 torch = ">=1.10,<3.0"