Add missing workspace members (#2491)

The following members have been added:

```pre
cumulus/parachains/integration-tests/emulated/chains/parachains/testing/penpal
cumulus/parachains/testnets-common
polkadot/node/tracking-allocator
substrate/frame/examples/frame-crate
```

CI check can be added after
https://github.com/paritytech/pipeline-scripts/pull/105 is merged.

---------

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