feat: Update all go/python docs with type fixes regarding form field values

[deepjyoti30-st]

Summary of change

This PR adds type related fixes to fix breaking changes in the docs after form field type changes for supporting any type in value. This addresses the changes for go and python.

Checklist

• [ ] Algolia search needs to be updated? (If there is a new sub docs project, then yes)
• [ ] Sitemap needs to be updated? (If there is a new sub docs project, then yes)
• [ ] Checked for broken links? (Run cd v2 && MODE=production npx docusaurus build)
• [ ] Changes required to the demo apps corresponding to the docs?

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