Update telegraf Docker tag to v1.34.4

Author: renovate[bot]

docker-compose.yml

@@ -165,7 +165,7 @@ services:
     restart: always
 
   telegraf:
-    image: telegraf:1.33.2@sha256:5afb934bd448b8cd49d495fffac5fe8227267123a9af05f9f9ec6044a1799bd1
+    image: telegraf:1.34.4@sha256:c3ffe02a814fba78c0d811a2b75b7d64b9ef56750030b671cb1355d581a2123d
     user: telegraf:${HOST_DOCKER_GROUP_ID} # host docker group id, so that telegraf has access to the docker socket
     command: | # only use config directory, but therefore we need to give a empty config file
       --config-directory /etc/telegraf/telegraf.d/