Bump aasm from 5.4.0 to 5.5.0

Bumps [aasm](https://github.com/aasm/aasm) from 5.4.0 to 5.5.0.
- [Release notes](https://github.com/aasm/aasm/releases)
- [Changelog](https://github.com/aasm/aasm/blob/master/CHANGELOG.md)
- [Commits](https://github.com/aasm/aasm/commits)

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

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile

@@ -16,7 +16,7 @@ gem 'font-awesome-sass', '~> 6.2.1'
 
 gem 'uglifier', '>=1.3.0'
 
-gem 'aasm', '~> 5.4.0'
+gem 'aasm', '~> 5.5.0'
 gem 'acts_as_list'
 gem 'bcrypt', '~> 3.1.18'
 gem 'htmlentities'

Gemfile.lock

@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     RedCloth (4.3.2)
-    aasm (5.4.0)
+    aasm (5.5.0)
       concurrent-ruby (~> 1.0)
     actioncable (6.0.5.1)
       actionpack (= 6.0.5.1)
@@ -345,7 +345,7 @@ PLATFORMS
 
 DEPENDENCIES
   RedCloth
-  aasm (~> 5.4.0)
+  aasm (~> 5.5.0)
   actionpack-xml_parser (~> 2.0)
   activemodel-serializers-xml (~> 1.0.1)
   acts_as_list