By Tony Owusu WNBA all-star Brittney Griner was detained in February after Russian officials found cannabis-vape cartridges in her luggage. A week after Britney Griner was arrested, Russia invaded Ukraine. The WNBA all-star playing for the Phoenix Mercury has now pleaded guilty to illegally bringing cannabis-vape cartridges into the country. Russia’s authorities found the cartridges in her luggage at an airport outside Moscow. Griner has been detained since she was arrested on Feb. 17 and reportedly faces up to 10 years in a Russian prison. During her guilty plea, Griner said that she “had no …