Bump puppet from 7.18.0 to 7.21.0

Bumps [puppet](https://github.com/puppetlabs/puppet) from 7.18.0 to 7.21.0.
- [Release notes](https://github.com/puppetlabs/puppet/releases)
- [Commits](https://github.com/puppetlabs/puppet/compare/7.18.0...7.21.0)

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

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

Gemfile.lock

@@ -11,7 +11,7 @@ GEM
     deep_merge (1.2.2)
     diff-lcs (1.5.0)
     erubi (1.11.0)
-    facter (4.2.11)
+    facter (4.2.14)
       hocon (~> 1.3)
       thor (>= 1.0.1, < 2.0)
     faraday (2.7.2)
@@ -31,7 +31,7 @@ GEM
       fast_gettext (~> 2.1)
       gettext (~> 3.4)
       locale
-    hiera (3.10.0)
+    hiera (3.11.0)
     hocon (1.3.1)
     json (2.6.2)
     json-schema (3.0.0)
@@ -56,7 +56,7 @@ GEM
       forwardable
       singleton
     public_suffix (4.0.7)
-    puppet (7.18.0)
+    puppet (7.21.0)
       concurrent-ruby (~> 1.0)
       deep_merge (~> 1.0)
       facter (> 2.0.1, < 5)
@@ -67,7 +67,7 @@ GEM
       puppet-resource_api (~> 1.5)
       scanf (~> 1.0)
       semantic_puppet (~> 1.0)
-    puppet (7.18.0-universal-darwin)
+    puppet (7.21.0-universal-darwin)
       CFPropertyList (~> 2.2)
       concurrent-ruby (~> 1.0)
       deep_merge (~> 1.0)