[ruby/agoo] Upgrade OJ gem (#10354)

frameworks/Ruby/agoo/Gemfile.lock

@@ -2,12 +2,12 @@ GEM
   remote: https://rubygems.org/
   specs:
     agoo (2.15.13)
-    bigdecimal (3.1.9)
+    bigdecimal (3.3.1)
     connection_pool (2.5.0)
-    oj (3.16.10)
+    oj (3.16.12)
       bigdecimal (>= 3.0)
       ostruct (>= 0.2)
-    ostruct (0.6.1)
+    ostruct (0.6.3)
     pg (1.6.2)
     pg (1.6.2-x86_64-linux)
     rack (3.2.0)