Bump json-ld from 3.1.7 to 3.1.8 (#15674)

Bumps [json-ld](https://github.com/ruby-rdf/json-ld) from 3.1.7 to 3.1.8.
- [Release notes](https://github.com/ruby-rdf/json-ld/releases)
- [Commits](https://github.com/ruby-rdf/json-ld/compare/3.1.7...3.1.8)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -293,7 +293,7 @@ GEM
     jmespath (1.4.0)
     json (2.3.1)
     json-canonicalization (0.2.0)
-    json-ld (3.1.7)
+    json-ld (3.1.8)
       htmlentities (~> 4.3)
       json-canonicalization (~> 0.2)
       link_header (~> 0.0, >= 0.0.8)
@@ -482,7 +482,7 @@ GEM
       thor (>= 0.19.0, < 2.0)
     rainbow (3.0.0)
     rake (13.0.3)
-    rdf (3.1.8)
+    rdf (3.1.10)
       hamster (~> 3.0)
       link_header (~> 0.0, >= 0.0.8)
     rdf-normalize (0.4.0)