Switch to Python >= 3.9 and update deps to latest

- Fixes Dependabot alerts on scipy and tornado

Makefile

@@ -7,7 +7,7 @@ PIP_COMPILE := pip-compile --quiet --no-header --allow-unsafe --resolver=backtra
 .PHONY: reqs clean-reqs help
 
 requirements/constraints.txt: requirements/*.in
-	CONSTRAINTS=/dev/null $(PIP_COMPILE) --strip-extras --output-file $@ $^ --extra-index-url https://download.pytorch.org/whl/cpu
+	CONSTRAINTS=/dev/null $(PIP_COMPILE) --output-file $@ $^ --extra-index-url https://download.pytorch.org/whl/cpu
 
 requirements/%.txt: requirements/%.in requirements/constraints.txt
 	CONSTRAINTS=constraints.txt $(PIP_COMPILE) --no-annotate --output-file $@ $<

README.md

@@ -56,7 +56,7 @@ released under the BSD and MIT licenses, respectively (see corresponding `LICENS
 An [interactive Gradio demo](https://huggingface.co/spaces/baudm/PARSeq-OCR) hosted at Hugging Face is available. The pretrained weights released here are used for the demo.
 
 ### Installation
-Requires Python >= 3.8 and PyTorch >= 1.10 (until 1.13). The default requirements files will install the latest versions of the dependencies (as of June 1, 2023).
+Requires Python >= 3.9 and PyTorch >= 1.10 (until 1.13). The default requirements files will install the latest versions of the dependencies (as of August 21, 2023).
 ```bash
 # Use specific platform build. Other PyTorch 1.13 options: cu116, cu117, rocm5.2
 platform=cpu

requirements/bench.txt

@@ -1,17 +1,15 @@
 antlr4-python3-runtime==4.9.3
 fvcore==0.1.5.post20221221
 hydra-core==1.3.2
-importlib-resources==5.12.0
 iopath==0.1.10
-numpy==1.24.3
+numpy==1.25.2
 omegaconf==2.3.0
 packaging==23.1
-pillow==9.5.0
+pillow==10.0.0
 portalocker==2.7.0
-pyyaml==6.0
+pyyaml==6.0.1
 tabulate==0.9.0
 termcolor==2.3.0
-tqdm==4.65.0
-typing-extensions==4.6.2
+tqdm==4.66.1
+typing-extensions==4.7.1
 yacs==0.1.8
-zipp==3.15.0