docs: fix ordering (backport #15387)

[mergify]

This is an automatic backport of pull request #15387 done by Mergify.
Cherry-pick of a392bae has failed:

On branch mergify/bp/release/v0.47.x/pr-15387
Your branch is up to date with 'origin/release/v0.47.x'.

You are currently cherry-picking commit a392bae9b.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   docs/docs/building-modules/01-intro.md
	renamed:    docs/docs/building-modules/09-autocli.md -> docs/docs/building-modules/10-autocli.md
	renamed:    docs/docs/building-modules/10-structure.md -> docs/docs/building-modules/11-structure.md
	renamed:    docs/docs/building-modules/11-errors.md -> docs/docs/building-modules/12-errors.md
	renamed:    docs/docs/building-modules/12-upgrade.md -> docs/docs/building-modules/13-upgrade.md
	renamed:    docs/docs/building-modules/13-simulator.md -> docs/docs/building-modules/14-simulator.md
	renamed:    docs/docs/building-modules/14-depinject.md -> docs/docs/building-modules/15-depinject.md
	renamed:    docs/docs/building-modules/15-testing.md -> docs/docs/building-modules/16-testing.md
	modified:   docs/docs/core/12-simulation.md
	modified:   docs/docs/core/15-upgrade.md
	deleted:    docs/docs/pkg/_category_.json

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   docs/rfc/_category_.json

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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