Merge pull request #1256 from mnemosyne-mon/renovate/oj-3.x-lockfile

chore(deps): update dependency oj to v3.16.15

Author: jgraichen

Gemfile.lock

@@ -246,7 +246,7 @@ GEM
       racc (~> 1.4)
     nokogiri (1.19.0-x86_64-linux-gnu)
       racc (~> 1.4)
-    oj (3.16.13)
+    oj (3.16.15)
       bigdecimal (>= 3.0)
       ostruct (>= 0.2)
     ostruct (0.6.3)