PARIS (Reuters) – The French economy will just manage to eke out positive growth in the final quarter of the year, the central bank estimated on Wednesday. The Bank of France’s monthly survey of companies’ business conditions showed economic activity picking up from October, which it said pointed to “very slightly positive” growth in the last quarter. With much of the euro zone at risk of recession in the face of Europe’s energy crisis, the bloc’s second-biggest economy managed to avoid contraction in the third quarter with growth of 0.2%. The central bank’s survey, which covers 8,500 companie…