Bumps the following dependencies:

- `crypto-common` => v0.2.0-pre.4
- `hybrid-array` => v0.2.0-rc.0

Also prepares the following releases:

- `block-buffer` v0.11.0-pre.4
- `block-padding` v0.4.0-pre.4
- `dbl` v0.4.0-pre.4
- `inout` v0.2.0-pre.4