[pyproject] Relax constraints back again; Closes #31

pyproject.toml

@@ -41,8 +41,7 @@ dependencies = [
   "opencv-python",
   "torch>=1.8",
   "torchvision>=0.10",
-  "lightning <2.1.0a0,>=2.0.3",
-  "pydantic <2.0,>=1.7.4", # temporary, until issue #31 is fixed
+  "lightning <2.2.0a0,>=2.1.0",
   "tensorboard",
   "grad-cam>=1.4.8",
 ]