Set minimum pyop version to v3.4.0 to ensure the needed methods are available

Signed-off-by: Ivan Kanakarakis <[email protected]>

Author: c00kiemon5ter

setup.py

@@ -15,7 +15,7 @@
     packages=find_packages('src/'),
     package_dir={'': 'src'},
     install_requires=[
-        "pyop >= 3.3.1",
+        "pyop >= v3.4.0",
         "pysaml2 >= 6.5.1",
         "pycryptodomex",
         "requests",