Bump third_party/libdatachannel/repo from `59ce380` to `7f42c7d` #2303

Job	Run time
Build Docker CHIP Build images - base	6m 3s
Build Docker CHIP Build images - base (-minimal)	36s
Build Docker CHIP Build images - stage 1 (-crosscompile)	58s
Build Docker CHIP Build images - stage 2 (-ameba)	1m 53s
Build Docker CHIP Build images - stage 2 (-asr)	58s
Build Docker CHIP Build images - stage 2 (-bouffalolab)	43m 14s
Build Docker CHIP Build images - stage 2 (-doxygen)	13s
Build Docker CHIP Build images - stage 2 (-efr32)	1m 43s
Build Docker CHIP Build images - stage 2 (-esp32)	2m 5s
Build Docker CHIP Build images - stage 2 (-infineon)	1m 47s
Build Docker CHIP Build images - stage 2 (-java)	47s
Build Docker CHIP Build images - stage 2 (-nxp)	5m 42s
Build Docker CHIP Build images - stage 2 (-nxp-zephyr)	2m 34s
Build Docker CHIP Build images - stage 2 (-nrf-platform)	3m 24s
Build Docker CHIP Build images - stage 2 (-telink)	4m 23s
Build Docker CHIP Build images - stage 2 (-telink-zephyr_3_3)	3m 44s
Build Docker CHIP Build images - stage 2 (-ti)	49s
Build Docker CHIP Build images - stage 2 (-tizen)	1m 58s
Build Docker CHIP Build images - stage 2 (-openiotsdk)	48s
Build Docker CHIP Build images - stage 3 (-android)	2m 41s
Build Docker CHIP Build images - stage 3 (-esp32-qemu)	3m 15s
Build Docker CHIP Build images - stage 3 (-tizen-qemu)	26m 26s
Build Docker CHIP Build images - vscode	0s
	1h 56m 1s

Provide feedback