BERLIN (Reuters) -Lithuania will build barracks, warehouses and step up investments so it can host a full brigade of German troops on its territory by 2026, its foreign minister said on Friday. Germany said in June it was ready to ramp up its military mission in its NATO ally, part of a push by the alliance to defend its eastern borderlands with Russia in the wake of Moscow’s invasion of Ukraine. But Lithuania’s president and other officials acknowledged at the time the facilities needed hundreds of millions of euros of upgrades. “By 2026, Lithuania will be ready to accept a full brigade with …