Minor update for CPAN release

Fix of dependencies so that tests work properly.

v1.06 of Astro::PAL

• Include PAL v0.5.0
• Now ships with ERFA v1.1.0 instead of SOFA, clarifying license anomalies.
• Add support for palOap, palOapqk, palRefco, palRefcoq, palRefro, palRefv, palRefz, palAop, palAoppa, palAoppat, palAopqk, palAtmdsp