chore(build): upgrade Node CI runtimes and remove Node 18 pnpmfile patch - #9055

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quirogas wants to merge 3 commits into

googleapis:mainfrom

quirogas:chore/toolchain-upgrade-chain-a

Google CLA / cla/google succeeded Aug 1, 2026 in 8s

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The following contributors were found for this pull request:

✅ 58cc8bb Author: @quirogas <san******oga@google.com>

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