[Repo Assist] docs: fix broken tool links in website navigation template

[github-actions]

🤖 This is an automated PR from Repo Assist.

Fixes three stale/broken URLs in the "Tools" section of the website navigation sidebar (docs/tools/templates/template.cshtml).

Changes

Old URL	New URL
`(tpetricek.github.io/redacted)	`(fsprojects.github.io/redacted)
`(fsharp.github.io/redacted)	`(fake.build/redacted)
`(fsprojects.github.io/redacted)	`(fsprojects.github.io/redacted) (http → https)

• FSharp.Formatting moved from Tomas Petricek's personal GitHub Pages to the fsprojects org.
• FAKE moved its primary site to fake.build.
• ProjectScaffold was updated to HTTPS.

Closes #407
Closes #416

Test Status

This is a pure documentation template change (HTML link URLs only). No build step is needed to verify — the change has no impact on any F# source, project file, or CI configuration.

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Warning

⚠️ Firewall blocked 1 domain

The following domain was blocked by the firewall during workflow execution:

• fsprojects.github.io

To allow these domains, add them to the network.allowed list in your workflow frontmatter:

network:
  allowed:
    - defaults
    - "fsprojects.github.io"

See Network Configuration for more information.