Upgrade geekdocs to `v1.1.0` and Hugo to `v0.136.5`

[jtracey93]

Overview/Summary

Upgrade geekdocs to v1.1.0 and Hugo to v0.136.5

This PR fixes/adds/changes/removes

1. Upgrade geekdocs to v1.1.0 and Hugo to v0.136.5

Breaking Changes

None

As part of this Pull Request I have

• [x] Read the Contribution Guide and ensured this PR is compliant with the guide
• [x] Checked for duplicate Pull Requests
• [x] Associated it with relevant GitHub Issues or ADO Work Items (Internal Only)
• [x] Ensured my code/branch is up-to-date with the latest changes in the main branch
• [x] Ensured PR tests are passing
• [x] Updated relevant and associated documentation (e.g. Contribution Guide, Docs etc.)

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