build(setup): add old_linux specific dependencies

- Add albumentations package with version <=1.4.20 for old_linux
- This version is compatible with Linux systems from 2019 and earlier
- Version 1.4.21 and above introduced simsimd which is not supported on older Linux systems

setup.py

@@ -52,6 +52,9 @@ if __name__ == '__main__':
                      "PyYAML",  # yaml
                      "detectron2"
                      ],
+            "old_linux":[
+                "albumentations<=1.4.20", # 1.4.21引入的simsimd不支持2019年及更早的linux系统
+            ]
         },
         description="A practical tool for converting PDF to Markdown",  # 简短描述
         long_description=long_description,  # 详细描述