pw_log_basic: Fix dependencies
pw_log_basic: Fix dependencies

The dependency on pw_log_basic:core must be public since
pw_log_basic:core has a public dependency of its own.

Change-Id: I549a30307c0a3aee4aee30a88ffb86ac059cc540

google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed