Bump devise-two-factor from 4.1.0 to 6.1.0

Bumps [devise-two-factor](https://github.com/tinfoil/devise-two-factor) from 4.1.0 to 6.1.0.
- [Changelog](https://github.com/devise-two-factor/devise-two-factor/blob/main/CHANGELOG.md)
- [Commits](devise-two-factor/devise-two-factor@v4.1.0...v6.1.0)

---
updated-dependencies:
- dependency-name: devise-two-factor
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -71,8 +71,6 @@ GEM
     addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
-    attr_encrypted (4.0.0)
-      encryptor (~> 3.0.0)
     audited (5.4.3)
       activerecord (>= 5.0, < 7.2)
       request_store (~> 1.2)
@@ -153,19 +151,17 @@ GEM
       warden (~> 1.2.3)
     devise-security (0.18.0)
       devise (>= 4.3.0)
-    devise-two-factor (4.1.0)
-      activesupport (< 7.1)
-      attr_encrypted (>= 1.3, < 5, != 2)
+    devise-two-factor (6.1.0)
+      activesupport (>= 7.0, < 8.1)
       devise (~> 4.0)
-      railties (< 7.1)
+      railties (>= 7.0, < 8.1)
       rotp (~> 6.0)
     diff-lcs (1.5.1)
     docile (1.4.0)
     dotenv (3.1.6)
     dotenv-rails (3.1.6)
       dotenv (= 3.1.6)
       railties (>= 6.1)
-    encryptor (3.0.0)
     erubi (1.13.0)
     erubis (2.7.0)
     factory_bot (6.5.0)