Fix requests <-> idna dependency

requirements.txt

@@ -49,7 +49,7 @@ python-dateutil==2.8.1
 python-editor==1.0.4
 pytz==2021.1
 redis==3.5.3
-requests==2.26
+requests==2.26.0
 simplejson==3.17.3
 six==1.16.0
 speaklater==1.3

setup.py

@@ -45,7 +45,7 @@ install_requires = [
     "flaskbb-plugin-conversations>=1.0.7",
     "flaskbb-plugin-portal>=1.1.3",
     "future>=0.18.2",
-    "idna<3",
+    "idna>=3.2",
     "itsdangerous>=1.1.0",
     "Jinja2>=2.11.2",
     "kombu>=5.0.2",
@@ -61,7 +61,7 @@ install_requires = [
     "python-editor>=1.0.4",
     "pytz>=2020.4",
     "redis>=3.5.3",
-    "requests>=2.25.0",
+    "requests>=2.26.0",
     "simplejson>=3.17.2",
     "six>=1.15.0",
     "speaklater>=1.3",