docs: update fetchd versions doc

[daeMOn63]

• add missing entries for fetchd v0.9.x and v0.10.x series
• add a link to genesis-fetchhub repo for upgrade and migration docs.

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 50613df):

https://fetch-docs-preview--pr259-docs-versions-update-lmfum052.web.app

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