specify 0.6.2

[BrewTestBot]

Created by brew bump

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Created with brew bump-formula-pr.

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release notes

## Install
uv tool install specify-cli --from git+https://github.com/github/spec-kit.git@v0.6.2
specify init my-project
What's Changed

chore: bump version to 0.6.2
feat: Register "What-if Analysis" community extension (#2182)
feat: add GitHub Issues Integration to community catalog (#2188)
feat(agents): add Goose AI agent support (#2015)
Update ralph extension to v1.0.1 in community catalog (#2192)
fix: skip docs deployment workflow on forks (#2171)
chore: release 0.6.1, begin 0.6.2.dev0 development (#2162)

View the full release notes at https://github.com/github/spec-kit/releases/tag/v0.6.2.

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[github-actions]

@chenrui333 has requested bottles to be published to this PR.

Caution

Please do not push to this PR branch before the bottle commits have been pushed, as this results in a state that is difficult to recover from. If you need to resolve a merge conflict, please use a merge commit. Do not force-push to this PR branch.