Bump meshtastic/python-meshtastic, change datadir #1

Job	Run time
Test Build / Test aarch64_generic	2m 48s
Test Build / Test arm_cortex-a15_neon-vfpv4	2m 49s
Test Build / Test arm_cortex-a9_vfpv3-d16	2m 20s
Test Build / Test i386_pentium-mmx	3m 8s
Test Build / Test mips_24kc	2m 45s
Test Build / Test mipsel_24kc	2m 46s
Test Build / Test powerpc_464fp	2m 22s
Test Build / Test powerpc_8548	2m 56s
Test Build / Test riscv64_riscv64	3m 56s
Test Build / Test x86_64	3m 58s
	29m 48s

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