Correct fluentbit's extraVolumes' and extraVolumeMounts' indentation

This one comes from the YAML engineering department. Without this patch, the corresponding daemonset and statefulset fail to render due to wrong indentation if volumes or volume mounts are configured. Tests confirm a correct rendering after the patch.

docs/values.md

@@ -23,6 +23,8 @@ This file contains the markdown version of the default values that this chart ta
 | metrics.fluentbit.enabled | bool | `true` | if true fluentbit will be installed |
 | metrics.fluentbit.diskMaxCache | string | `5G` | max size for in-disk storage for fluent-bit |
 | metrics.fluentbit.nodeSelector | hash | `"nil"` | fluentbit statefulset node selectors |
+| metrics.fluentbit.extraVolumeMounts | list | `[]` |  |
+| metrics.fluentbit.extraVolumes | list | `[]` |  |
 | metrics.fluentbit.filters | string | `"nil"` | fluentbit filters as a yaml list in a multiline string |
 | metrics.fluentbit.inputs | string | Configuration to scrape local prometheus. See `values.yaml`. | fluentbit inputs as a yaml list in a multiline string |
 | metrics.fluentbit.matchQuery | string | `"match[]={job!=\"\"}"` | Query parameter to apply to the federate Prometheus URL, use this to filter and send only specific metrics |