fix: deepl ver

pdf2zh/__init__.py

@@ -1,2 +1,2 @@
-__version__ = "1.7.1"
+__version__ = "1.7.2"
 __author__ = "Byaidu"

setup.py

@@ -27,7 +27,7 @@ setup(
         "doclayout-yolo",
         "numpy",
         "ollama",
-        "deepl",
+        "deepl<1.19.1",
         "openai",
     ],
     classifiers=[