Update requirements.txt

requirements.txt

@@ -1,6 +1,6 @@
-google-generativeai>=0.3.0
-gradio>=4.0.0
-python-dotenv>=1.0.0
-PyPDF2>=3.0.0
-python-docx>=0.8.11
-Pillow>=10.0.0
+gradio==4.19.2
+google-generativeai==0.3.2
+python-dotenv==1.0.0
+PyPDF2==3.0.1
+python-docx==1.0.1
+Pillow==10.1.0