Fix invalid GPIO checks #789

Job	Run time
build-frontend	29s
getvars / get-vars	10s
build-firmware (Wemos-D1-Mini-ESP32)	1m 17s
build-firmware (Wemos-Lolin-S2-Mini)	1m 30s
build-firmware (Wemos-Lolin-S3)	1m 29s
build-firmware (Pishock-2023)	1m 17s
build-firmware (Pishock-Lite-2021)	1m 32s
build-firmware (Seeed-Xiao-ESP32S3)	1m 26s
build-firmware (OpenShock-Core-V1)	1m 46s
build-staticfs	32s
merge-partitions (Wemos-D1-Mini-ESP32)	17s
merge-partitions (Wemos-Lolin-S2-Mini)	12s
merge-partitions (Wemos-Lolin-S3)	27s
merge-partitions (Pishock-2023)	20s
merge-partitions (Pishock-Lite-2021)	15s
merge-partitions (Seeed-Xiao-ESP32S3)	19s
merge-partitions (OpenShock-Core-V1)	11s
checkpoint-build	1s
cdn-upload-version-info	8s
cdn-upload-firmware (Wemos-D1-Mini-ESP32)	1m 51s
cdn-upload-firmware (Wemos-Lolin-S2-Mini)	57s
cdn-upload-firmware (Wemos-Lolin-S3)	18s
cdn-upload-firmware (Pishock-2023)	18s
cdn-upload-firmware (Pishock-Lite-2021)	27s
cdn-upload-firmware (Seeed-Xiao-ESP32S3)	19s
cdn-upload-firmware (OpenShock-Core-V1)	13s
cdn-bump-version	11s
checkpoint-cdn	1s
release	0s
	18m 13s

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