feat(ota): Add support for signed binaries #5682

Job	Run time
Generate matrix	7s
Push event file	6s
Build (validation, esp32) / Build validation tests for esp32	5m 7s
Build (validation, esp32c5) / Build validation tests for esp32c5	3m 39s
Build (validation, esp32c6) / Build validation tests for esp32c6	4m 3s
Build (validation, esp32h2) / Build validation tests for esp32h2	3m 37s
Build (validation, esp32c3) / Build validation tests for esp32c3	3m 53s
Build (validation, esp32s3) / Build validation tests for esp32s3	6m 3s
Build (validation, esp32s2) / Build validation tests for esp32s2	5m 3s
Build (validation, esp32p4) / Build validation tests for esp32p4	4m 7s
QEMU	0s
	35m 45s

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