Fix fmt ci

added 6 commits

• ddab7cca - 1 commit from branch dev
• 941e88bd - [ci] Install fmt via rustup
• ec68025b - [ci] comply latest fmt version
• 0194e94c - [ci] comply latest clippy version
• 0d87c3d8 - [ci] ws2p not yet fully documented
• d268303a - [tests] ws2p tests requires trival numeric cast

Compare with previous version

enabled an automatic merge when the pipeline for d268303a succeeds

mentioned in commit 07415c5a

merged