STOCKHOLM (Reuters) -Swedish defence products company Saab will boost capacity to meet rising demand, it said on Friday after posting an increase in first-quarter profit and strong order intake. Shares in Saab have soared 65% this year as a growing number of countries announce increased defence budgets as a result of intensifying geopolitical tensions and the conflict in Ukraine. Saab, maker of the Gripen fighter jet and a range of military and civilian hardware, said that quarterly order intake grew 38% to 8.1 billion crowns. The company added that it expects further supply chain challenges a…