Bump cryptography from 44.0.0 to 50.0.0 (#4284)

Bumps [cryptography](https://github.com/pyca/cryptography) from 44.0.0 to 50.0.0.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/pyca/cryptography/compare/44.0.0...50.0.0)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-version: 50.0.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: dgtlmoon <dgtlmoon@gmail.com>

requirements.txt

@@ -47,10 +47,9 @@ diff_match_patch
 # Lightweight URL linkifier for notifications
 linkify-it-py
 
-# - Needed for apprise/spush, and maybe others? hopefully doesnt trigger a rust compile.
-# - Requires extra wheel for rPi, adds build time for arm/v8 which is not in piwheels
-# Pinned to 44.x for ARM compatibility and sslyze compatibility (sslyze requires <45) and (45.x may not have pre-built ARM wheels)
-# Also pinned because dependabot wants specific versions
+# Requires extra wheel for rPi, adds build time for arm/v8 which is not in piwheels, (only 6/7)
+# So we will probably drop support for v8 because its not worth the extra security risk/build time
+# Was pinned to 44.x for ARM compatibility
 cryptography==50.0.2
 
 # apprise mqtt https://github.com/dgtlmoon/changedetection.io/issues/315