Description

Fixes the following error:

Error: YAML parse error on promtail/templates/service-metrics.yaml: error converting YAML to JSON: yaml: line 11: did not find expected key

Issues

[x] This PR contains a description of the changes I'm making
[x] I updated the version in Chart.yaml
[x] I updated the changelog with an artifacthub.io/changes annotation in Chart.yaml, check the example in the documentation.
[x] I updated applicable README.md files using pre-commit run
[x] I documented any high-level concepts I'm introducing in docs/
[x] CI is currently green and this is ready for review
[x] I am ready to test changes after they are applied and released