Fix eval by pinning datasets version to 3.6.0 (#12350)

datasets 4.0.0 just released and it deprecates `trust_remote_code` and
loading script. Pinning it to 3.6.0 for now.

(cherry picked from commit aec1322)

Author: larryliu0820

requirements-examples.txt

@@ -1,5 +1,6 @@
 # pip packages needed to run examples.
 # TODO: Make each example publish its own requirements.txt
+datasets == 3.6.0 # 4.0.0 deprecates trust_remote_code and load scripts. For now pin to 3.6.0
 timm == 1.0.7
 torchsr == 1.0.4
 torchtune >= 0.6.1