docs: Improve information about how each daemonset pod watches ALL pods logs in the cluster [backport] (#5452)

## Backport of #5359

This PR backports #5359 to release/v1.13.

### Original PR Title
docs: Improve information about how each daemonset pod watches ALL pods
logs in the cluster

### Original PR Author
@clayton-cornell

### Description
Fix admonitions around info explaining that each daemonset pod watches
ALL pods logs in the cluster.

General topic cleanup, with a focus on language, readability, active
voice, and grammar.

Fixes #4793

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*This backport was created automatically.*

Co-authored-by: Clayton Cornell <131809008+clayton-cornell@users.noreply.github.com>

Author: grafana-alloybot[bot]