Bump paas-admin to v0.151.0
Bump paas-admin to v0.151.0

[Full diff](https://github.com/alphagov/paas-admin/compare/v0.150.0...v0.151.0)

I think this is just alphagov/paas-admin#271 to fix the ireland tag colour.

alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf