Fix: expose image config for fluentd-forwarder

apps-sc: expose thanos receiveDistributor configs

Fix markdown indentation in images document

Added changelog entry for grafana version change

fix: add changelog entry for update-ips fix

apps: fix install-requirements

Patch release v0.39.2

Add changelog for release v0.40.0

config: change rclone activedeadlineseconds to 14400

release: add missing manual step