Bump minimum torchvision version to 0.20.0 (#365)

## Summary
- Set minimum torchvision version to 0.20.0 across all torch extras
(torch, torch-cpu, torch-cuda118, torch-cuda128)
- Bump package version to 0.0.4

## Test plan
- [ ] Verify dependency resolution works with torchvision>=0.20.0
- [ ] Test installation with different torch extras
- [ ] Confirm no breaking changes with minimum version

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

Author: talmo

pyproject.toml

@@ -22,7 +22,7 @@ classifiers = [
     "Programming Language :: Python :: 3.13",
 ]
 dependencies = [
-    "sleap-io>=0.2.0",
+    "sleap-io>=0.5.7",
     "numpy",
     "lightning",
     "kornia",
@@ -54,19 +54,19 @@ readme = {file = ["README.md"], content-type="text/markdown"}
 [project.optional-dependencies]
 torch = [
     "torch",
-    "torchvision<0.24.0",
+    "torchvision>=0.20.0,<0.24.0",
 ]
 torch-cpu = [
     "torch",
-    "torchvision<0.24.0",
+    "torchvision>=0.20.0,<0.24.0",
 ]
 torch-cuda118 = [
     "torch",
-    "torchvision<0.24.0",
+    "torchvision>=0.20.0,<0.24.0",
 ]
 torch-cuda128 = [
     "torch",
-    "torchvision<0.24.0",
+    "torchvision>=0.20.0,<0.24.0",
 ]
 dev = [
     "pytest",

sleap_nn/__init__.py

@@ -48,4 +48,4 @@ def _safe_print(msg):
     format="{time:YYYY-MM-DD HH:mm:ss} | {level} | {name}:{function}:{line} | {message}",
 )
 
-__version__ = "0.0.3"
+__version__ = "0.0.4"