Update td-agent repos

The location of td-agent on mirror.mirantis.com was changed.

Closes-Bug: PROD-18426

Change-Id: Icd8fbbf7bbc56e1324b132994e06dd3c8e109786
diff --git a/linux/system/repo/mcp/apt_mirantis/fluentd.yml b/linux/system/repo/mcp/apt_mirantis/fluentd.yml
index 2bca860..58df85f 100644
--- a/linux/system/repo/mcp/apt_mirantis/fluentd.yml
+++ b/linux/system/repo/mcp/apt_mirantis/fluentd.yml
@@ -6,7 +6,7 @@
     system:
       repo:
         mcp_fluentd:
-          source: "deb [arch=amd64] http://mirror.mirantis.com/${_param:linux_system_repo_mcp_fluentd_version}/td-agent-${_param:linux_system_codename} ${_param:linux_system_codename} contrib"
+          source: "deb [arch=amd64] http://mirror.mirantis.com/${_param:linux_system_repo_mcp_fluentd_version}/td-agent/${_param:linux_system_codename} ${_param:linux_system_codename} contrib"
           architectures: amd64
           key_id: 901F9177AB97ACBE
           key_server: keyserver.ubuntu.com