sync/shared-config: Mark `governance-private` as a custom RuboCop repo #798

Job	Run time
sync (Homebrew/.github)	32s
sync (Homebrew/actions)	26s
sync (Homebrew/brew)	32s
sync (Homebrew/brew-pip-audit)	17s
sync (Homebrew/brew.sh)	19s
sync (Homebrew/ci-orchestrator)	27s
sync (Homebrew/discussions)	22s
sync (Homebrew/formula-patches)	21s
sync (Homebrew/formulae.brew.sh)	36s
sync (Homebrew/glibc-bootstrap)	16s
sync (Homebrew/homebrew-aliases)	17s
sync (Homebrew/homebrew-bundle)	30s
sync (Homebrew/homebrew-cask)	25s
sync (Homebrew/homebrew-command-not-found)	20s
sync (Homebrew/homebrew-core)	22s
sync (Homebrew/homebrew-formula-analytics)	22s
sync (Homebrew/homebrew-linux-fonts)	51s
sync (Homebrew/homebrew-portable-ruby)	24s
sync (Homebrew/homebrew-services)	21s
sync (Homebrew/homebrew-test-bot)	36s
sync (Homebrew/install)	24s
sync (Homebrew/orka_api_client)	22s
sync (Homebrew/ruby-macho)	18s
sync (Homebrew/rubydoc.brew.sh)	24s
sync (Homebrew/mass-bottling-tracker-private)	18s
sync (Homebrew/governance-private)	16s
sync (Homebrew/security-private)	21s
sync (Homebrew/ops-private)	28s
conclusion	1s
	11m 28s

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