fix(docs): update values.yaml path for prometheus

[SRodi]

Description

1. fix broken path for Prometheus values.yaml path (Helm deployment)
2. clean-up the bullet points numbering

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• I have read the contributing documentation.
• I signed and signed-off the commits (git commit -S -s ...). See this documentation on signing commits.
• I have correctly attributed the author(s) of the code.
• I have tested the changes locally.
• I have followed the project's style guidelines.
• I have updated the documentation, if necessary.
• I have added tests, if applicable.

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[nddq]

@SRodi can you sign your commits?

[SRodi]

@SRodi can you sign your commits?

@nddq Sorry for the oversight, done now. Would it be worth considering to enforce the disallow of unsigned commits at repo level? I see this issue happening with other contributors too.