Bump minimum matrix-nio[e2e] version to 0.18 (#85)

Author: th0mcat

setup.py

@@ -31,7 +31,7 @@ def read_file(path_segments):
     description="A matrix bot to remind you about things!",
     packages=find_packages(exclude=["tests", "tests.*"]),
     install_requires=[
-        "matrix-nio[e2e]>=0.10.0",
+        "matrix-nio[e2e]>=0.18.0",
         "Markdown>=3.1.1",
         "PyYAML>=5.1.2",
         "dateparser>=0.7.4",