update omnibus-ruby (#37716)

Author: chouquette

release.json

@@ -2,7 +2,7 @@
     "base_branch": "main",
     "current_milestone": "7.68.0",
     "dependencies": {
-        "OMNIBUS_RUBY_VERSION": "34bf3ab7bc6ab0f1a08dee724590dcf0f76a443a",
+        "OMNIBUS_RUBY_VERSION": "49bffd5cbf5f4fc8a357afca145482111c8880ee",
         "JMXFETCH_VERSION": "0.49.7",
         "JMXFETCH_HASH": "470b1a19933efca4a48157b54ce48ab08a6ec6fb51f0b10337003dc428f50676",
         "MACOS_BUILD_VERSION": "master",