chore(deps): update dependency @octokit/rest to v21 #747

Job	Run time
Prepare npm package	28s
Test npm install - Node.js ubuntu-latest 22.x	7s
Test npm install - Node.js windows-latest 22.x	49s
Test npm install - Node.js macos-latest 22.x	12s
Test npx - Node.js ubuntu-latest 22.x	9s
Test npm install - Node.js ubuntu-latest 20.x	8s
Test npx - Node.js windows-latest 22.x	1m 2s
Test npm install - Node.js windows-latest 20.x	1m 19s
Test npx - Node.js macos-latest 22.x	10s
Test npx - Node.js ubuntu-latest 20.x	10s
Test npm install - Node.js macos-latest 20.x	11s
Test npx - Node.js windows-latest 20.x	1m 40s
Test npm install - Node.js ubuntu-latest 18.x	10s
Test npx - Node.js macos-latest 20.x	10s
Test npm install - Node.js windows-latest 18.x	1m 1s
Test npx - Node.js ubuntu-latest 18.x	10s
Test npm install - Node.js macos-latest 18.x	12s
Test npx - Node.js windows-latest 18.x	1m 29s
Test npx - Node.js macos-latest 18.x	14s
	9m 51s

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