By Brenna Hughes Neghaiwi and Silke Koltrowitz ZURICH (Reuters) – The Swiss government on Thursday reported 6.3 billion Swiss francs ($6.33 billion) worth of Russian assets frozen under sanctions to punish Moscow’s invasion of Ukraine, a drop from early April as around 3.4 billion francs in provisionally blocked assets were released. The figure marked a decrease from roughly 7.5 billion Swiss francs in funds the government reported frozen on April 7. Government official Erwin Bollinger pointed to fewer funds — 2.2 billion francs — newly frozen than those that had been released. “We can’t fre…