pull CWS agent documentation from 7.66.x branch (#28856)

Author: YoannGh

local/bin/py/build/configurations/pull_config.yaml

@@ -503,7 +503,7 @@
             file_name: 'agent_config.yaml'
             output_content: false
         - action: pull-and-push-folder
-          branch: 7.64.x
+          branch: 7.66.x
           globs:
           - 'docs/cloud-workload-security/agent_expressions.md'
           - 'docs/cloud-workload-security/backend_linux.md'

local/bin/py/build/configurations/pull_config_preview.yaml

@@ -505,7 +505,7 @@
             file_name: 'agent_config.yaml'
             output_content: false
         - action: pull-and-push-folder
-          branch: 7.64.x
+          branch: 7.66.x
           globs:
           - 'docs/cloud-workload-security/agent_expressions.md'
           - 'docs/cloud-workload-security/backend_linux.md'