chore: upgrade cryptography requirement

Apply security update:
https://github.com/overhangio/tutor/security/dependabot/14

requirements/base.txt

@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
-#    pip-compile requirements/base.in
+#    pip-compile --config=pyproject.toml requirements/base.in
 #
 appdirs==1.4.4
     # via -r requirements/base.in

requirements/dev.txt

@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
-#    pip-compile requirements/dev.in
+#    pip-compile --config=pyproject.toml requirements/dev.in
 #
 altgraph==0.17.3
     # via pyinstaller

requirements/docs.txt

@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
-#    pip-compile requirements/docs.in
+#    pip-compile --config=pyproject.toml requirements/docs.in
 #
 alabaster==0.7.13
     # via sphinx