Rename squatted crates (#2875)

* Rename squatted crates

This commit adds the staging- prefix to squatted crates so we can go
forward and publish them to crates.io.

Using the staging- prefix is a temp fix until we decide on replacement names.
https://forum.parity.io/t/renaming-squated-crates-in-substrate-polkadot-cumulus/1964/6

* Revert "Rename squatted crates"

This reverts commit 6387eabf3abb00e2a87a246d7a1bacc31e0e7798.

Signed-off-by: Oliver Tale-Yazdi <[email protected]>

* Dont publish parachain-info

Signed-off-by: Oliver Tale-Yazdi <[email protected]>

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Signed-off-by: Oliver Tale-Yazdi <[email protected]>
Co-authored-by: Oliver Tale-Yazdi <[email protected]>