fix: re-expose ServiceInfo._set_properties for backwards compat (#1327)

fix: re-expose ServiceInfo._set_properties for backwards compat (#1327) · python-zeroconf/python-zeroconf@39c4005

Original file line number	Diff line number	Diff line change
`@@ -74,7 +74,7 @@ cdef class ServiceInfo(RecordUpdateListener):`
`74`	`74`	`@cython.locals(length="unsigned char", index="unsigned int", key_value=bytes, key_sep_value=tuple)`
`75`	`75`	`cdef void _unpack_text_into_properties(self)`
`76`	`76`
`77`		`-cdef _set_properties(self, cython.dict properties)`
	`77`	`+cpdef _set_properties(self, cython.dict properties)`
`78`	`78`
`79`	`79`	`cdef _set_text(self, cython.bytes text)`
`80`	`80`