Merge pull request #786 from hey-api/fix/illegal-name-ref #1134

Job	Run time
Build, Lint, Test (macos-latest, 18.x)	3m 32s
Build, Lint, Test (macos-latest, 20.x)	3m 5s
Build, Lint, Test (macos-latest, 21.x)	3m 7s
Build, Lint, Test (ubuntu-latest, 18.x)	4m 29s
Build, Lint, Test (ubuntu-latest, 20.x)	3m 40s
Build, Lint, Test (ubuntu-latest, 21.x)	3m 45s
Build, Lint, Test (windows-latest, 18.x)	7m 54s
Build, Lint, Test (windows-latest, 20.x)	5m 39s
Build, Lint, Test (windows-latest, 21.x)	5m 45s
	40m 56s

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