guides: support verbatim variables #20432

Job	Run time
setup	45s
notification	6s
specs	1s
scripts	1s
client ${{ matrix.client.language }}@${{ matrix.client.version }}	1s
client javascript${{ (((needs.setup.outputs.RUN_GEN_JAVASCRIPT == 'true') && format('@{0}', fromJSON(needs.setup.outputs.JAVASCRIPT_DATA).version)) \|\| '') }}	1s
client swift${{ (((needs.setup.outputs.RUN_MACOS_SWIFT_CTS == 'true') && format('@{0}', fromJSON(needs.setup.outputs.SWIFT_DATA).version)) \|\| '') }} macos	1s
client kotlin${{ (((needs.setup.outputs.RUN_MACOS_KOTLIN_BUILD == 'true') && format('@{0}', fromJSON(needs.setup.outputs.KOTLIN_DATA).version)) \|\| '') }} macos	1s
codegen	1s
check_green	2s
push_and_release	1s
	1m 1s

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