Update transformers requirement from ~=4.44.0 to ~=4.45.0 in /tests

Updates the requirements on [transformers](https://github.com/huggingface/transformers) to permit the latest version.
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](huggingface/transformers@v4.44.0...v4.45.0)

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

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

tests/constraints.txt

@@ -30,7 +30,7 @@ flax<=0.9.0
 
 # PyTorch tests
 timm==1.0.8
-transformers~=4.44.0
+transformers~=4.45.0
 easyocr==1.7.2
 
 --extra-index-url https://download.pytorch.org/whl/cpu