Bump rdf-vocab from 3.3.0 to 3.3.1

Bumps [rdf-vocab](https://github.com/ruby-rdf/rdf-vocab) from 3.3.0 to 3.3.1.
- [Release notes](https://github.com/ruby-rdf/rdf-vocab/releases)
- [Commits](ruby-rdf/rdf-vocab@3.3.0...3.3.1)

---
updated-dependencies:
- dependency-name: rdf-vocab
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile

@@ -24,7 +24,7 @@ gem 'simple_form'
 gem 'acts_as_rdfable', github: 'ualbertalib/acts_as_rdfable', tag: 'v0.5.0'
 gem 'rdf', '~> 3.3.1'
 gem 'rdf-n3', '~> 3.3.0'
-gem 'rdf-vocab', '~> 3.3.0' # this gem changed predicate names without warning, be cautious and test with migrations
+gem 'rdf-vocab', '~> 3.3.1' # this gem changed predicate names without warning, be cautious and test with migrations
 
 # Database stuff
 gem 'connection_pool'

Gemfile.lock

@@ -456,7 +456,7 @@ GEM
       rdf (~> 3.3)
       sparql (~> 3.3)
       sxp (~> 1.3)
-    rdf-vocab (3.3.0)
+    rdf-vocab (3.3.1)
       rdf (~> 3.3)
     rdf-xsd (3.3.0)
       rdf (~> 3.3)
@@ -676,7 +676,7 @@ DEPENDENCIES
   rdf (~> 3.3.1)
   rdf-isomorphic (~> 3.3.0)
   rdf-n3 (~> 3.3.0)
-  rdf-vocab (~> 3.3.0)
+  rdf-vocab (~> 3.3.1)
   redcarpet (~> 3.6)
   redis (~> 4.8)
   rollbar