fix hermes config template to reflect changes to 1.6

[miladz68]

Description

we have update hermes to 1.6, which requires some changes in the config structure. This PR, fixes the template so the relayer can start normally.

Reviewers checklist:

• Try to write more meaningful comments with clear actions to be taken.
• Nit-picking should be unblocking. Focus on core issues.

Authors checklist

• Provide a concise and meaningful description
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This change is 

[ysv]

Reviewed 2 of 2 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @dzmitryhil, @vertex451, and @wojtek-coreum)

[wojtek-coreum]

Reviewed 2 of 2 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @dzmitryhil and @vertex451)