(Corrects forecast in paragraph 2 to 0.8%, not 0.9%) PARIS (Reuters) -French economic activity will only pick up in 2025 as lower inflation boosts consumers’ purchasing power, falling short of the government’s growth expectations in the meantime, the central bank forecast on Tuesday in its quarterly outlook. The euro zone’s second-biggest economy is on course to expand 0.8% in 2023, according to the Bank of France, which trimmed its 2023 forecast from 0.9% following weak third quarter data. The government is more optimistic and has based its budget planning on forecasts that pegged growth this…