Fix usage metadata in hello plugin examples #11915

Job	Run time
Testing chores	2m 25s
Build artifacts	1m 31s
Acceptance test node versions	3s
windows-latest w/ Node.js 22.x (2/3)	9m 15s
windows-latest w/ Node.js 22.x (3/3)	4m 52s
macos-latest w/ Node.js 18.x (1/3)	4m 8s
windows-latest w/ Node.js 18.x (2/3)	9m 13s
windows-latest w/ Node.js 18.x (1/3)	6m 19s
ubuntu-latest w/ Node.js 20.x (2/2)	5m 40s
ubuntu-latest w/ Node.js 18.x (2/2)	5m 48s
ubuntu-latest w/ Node.js 26.x (1/2)	6m 5s
windows-latest w/ Node.js 22.x (1/3)	5m 3s
ubuntu-latest w/ Node.js 24.x (2/2)	5m 28s
ubuntu-latest w/ Node.js 20.x (1/2)	6m 15s
ubuntu-latest w/ Node.js 18.x (1/2)	4m 16s
ubuntu-latest w/ Node.js 24.x (1/2)	4m 50s
ubuntu-latest w/ Node.js 26.x (2/2)	5m 35s
macos-latest w/ Node.js 22.x (1/3)	3m 25s
windows-latest w/ Node.js 18.x (3/3)	6m 15s
macos-latest w/ Node.js 18.x (2/3)	6m 9s
ubuntu-latest w/ Node.js 22.x (1/2)	6m 15s
ubuntu-latest w/ Node.js 22.x (2/2)	5m 28s
macos-latest w/ Node.js 18.x (3/3)	3m 6s
macos-latest w/ Node.js 22.x (3/3)	3m 12s
macos-latest w/ Node.js 22.x (2/3)	5m 27s
Big-endian debian w/ Node.js latest (${{ matrix.shard }})	0s
	2h 6m 3s

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