[ci] Improve CI pipeline by cancel in-progress jobs

Improve documentation once more

Fix doctests, disable gridfs tests (for now)

Enable `doc_cfg` feature for docs.rs and Noeldoc

Fix doctests, rename `Config` to `StorageConfig` in remi-fs

0.8.1: Upgrade mongodb crate

fix `fileMatch` once more...

0.7.1: Upgrade Azure client crates

update readme to point to the v0.7.0 release

`gridfs`: do not error when `contentType` field is not found, allow m…

…etadata to be included