Bump cancancan from 3.3.0 to 3.5.0 in /backend (#702)

Bumps [cancancan](https://github.com/CanCanCommunity/cancancan) from 3.3.0 to 3.5.0.
- [Release notes](https://github.com/CanCanCommunity/cancancan/releases)
- [Changelog](https://github.com/CanCanCommunity/cancancan/blob/develop/CHANGELOG.md)
- [Commits](CanCanCommunity/cancancan@3.3.0...3.5.0)

---
updated-dependencies:
- dependency-name: cancancan
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

backend/Gemfile

@@ -20,7 +20,7 @@ gem "pg", "1.2.3"
 gem "puma", "5.6.8"
 
 # Authentication libraries
-gem "cancancan", "~> 3.3.0"
+gem "cancancan", "~> 3.5.0"
 gem "cancancan-mongoid", "2.0.0"
 gem "devise", "4.8.0"
 gem "devise_invitable", "2.0.9"

backend/Gemfile.lock

@@ -95,7 +95,7 @@ GEM
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
     byebug (11.1.3)
-    cancancan (3.3.0)
+    cancancan (3.5.0)
     cancancan-mongoid (2.0.0)
       cancancan (>= 2.0, < 4)
     capybara (3.39.2)
@@ -497,7 +497,7 @@ DEPENDENCIES
   bugsnag (~> 6.22)
   bullet
   byebug
-  cancancan (~> 3.3.0)
+  cancancan (~> 3.5.0)
   cancancan-mongoid (= 2.0.0)
   capybara
   colored (~> 1.2)