syncthing: Update to 1.29.2 and Change logfile path #21529

Job	Run time
Feeds Package Test Build / Test aarch64_generic	10m 39s
Feeds Package Test Build / Test arm_cortex-a15_neon-vfpv4	10m 51s
Feeds Package Test Build / Test arm_cortex-a9_vfpv3-d16	9m 57s
Feeds Package Test Build / Test i386_pentium-mmx	9m 42s
Feeds Package Test Build / Test mips_24kc	9m 25s
Feeds Package Test Build / Test mipsel_24kc	9m 43s
Feeds Package Test Build / Test powerpc_464fp	3m 24s
Feeds Package Test Build / Test powerpc_8548	2m 40s
Feeds Package Test Build / Test riscv64_riscv64	10m 13s
Feeds Package Test Build / Test x86_64	9m 58s
	1h 26m 32s

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