Bump premailer from 1.21.0 to 1.22.0

Bumps [premailer](https://github.com/premailer/premailer) from 1.21.0 to 1.22.0.
- [Changelog](https://github.com/premailer/premailer/blob/master/CHANGELOG.md)
- [Commits](premailer/premailer@v1.21.0...v1.22.0)

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

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

Gemfile.lock

@@ -84,7 +84,7 @@ GEM
       activerecord (>= 6.1, < 7.2)
     acts_as_list (1.1.0)
       activerecord (>= 4.2)
-    addressable (2.8.4)
+    addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     airbrussh (1.5.0)
       sshkit (>= 1.6.1, != 1.7.0)
@@ -140,7 +140,7 @@ GEM
     country_select (8.0.3)
       countries (~> 5.0)
     crass (1.0.6)
-    css_parser (1.14.0)
+    css_parser (1.16.0)
       addressable
     database_cleaner (2.0.2)
       database_cleaner-active_record (>= 2, < 3)
@@ -266,7 +266,7 @@ GEM
       racc
     pg (1.5.4)
     popper_js (2.9.3)
-    premailer (1.21.0)
+    premailer (1.22.0)
       addressable
       css_parser (>= 1.12.0)
       htmlentities (>= 4.0.0)
@@ -275,7 +275,7 @@ GEM
       method_source (~> 1.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    public_suffix (5.0.1)
+    public_suffix (5.0.4)
     puma (6.4.0)
       nio4r (~> 2.0)
     racc (1.7.3)