By Lucy Craymer WELLINGTON (Reuters) – New Zealand Prime Minister Jacinda Ardern said on Thursday regional architecture such as the Pacific Islands Forum was critical in resolving regional problems and local security issues should be resolved locally. Leaders of the Pacific Islands Forum countries gather in Fiji next week for an annual meeting at a time of growing concern in some countries about China’s influence, highlighted this year by a security pact with the Solomon Islands. “New Zealand is committed to the Pacific Islands Forum as the vehicle for addressing regional challenges,” Ardern s…