Avoid warnings in docs #1697

Job	Run time
Ubuntu 24.04, OTP 29.0-rc1	53s
Ubuntu 24.04, OTP 28.0 (build docs)	55s
Ubuntu 24.04, OTP 27.0	42s
Create draft release	5s
Upload builds to hex.pm	0s
Generate SBoM	0s
Sign files, ${{ (((matrix.flavor == 'windows') && 'Windows') \|\| ((matrix.flavor == 'linux') && 'Linux') \|\| matrix.flavor) }}, OTP ${{ matrix.otp }}	0s
Upload release	0s
	2m 35s

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