go-cose v1.1.0 and ccatoken v1.2.0 (#31)

* fix a test assertion
* fix CI problem with new macos instances

Signed-off-by: Thomas Fossati <thomas.fossati@linaro.org>

evcli command change

cca/psa create: add flag to bypass validation

Add -I/--allow-invalid flag to bypass validation during token creation.
This allows creating in some way invalid, but otherwise well-constructed
tokens for testing.

Signed-off-by: Sergei Trofimov <sergei.trofimov@arm.com>

CCA platform demo

Fix a logic error in claimsFromJSON ... (#17)

... where a claims-set that unmarshals correctly but does not validate
would report a confusing double "nil" error.

The issue is with the existence of two *separate* err1 (and err2), the
second of which evaporates when the local context in which it is defined
is destroyed.

Signed-off-by: Thomas Fossati <thomas.fossati@arm.com>

Tag for PSA Prov and Verif End to End Demo