Add `with_wasm_override` fn to both `relaychain` and `parachain`
builders.

cc: @ggwpez

echo of https://github.com/paritytech/zombienet/pull/1968

Now, dependencies are aligned with polkadot-sdk, and Deno no longer
blocks future dependency upgradation

cc: @ordian 

Fix resume/pause for k8s provider.

…para state

Fix #280 

Add a new type `CommandWithCustomArgs` that allow to pass a cmd and
custom args (e.g `undying-collator export-genesis-state
--pov-size={{25000*(id-1999)}} --pvf-complexity=1`) to be used to
generate the genesis state for a parachain.

cc: @alindima

Add logic for customize the `staking` genesis config at relaychain spec.

cc: @ordian

Generally the idea is that `wait_client` should be used as a node can
take a moment to appear online.

---------

Co-authored-by: Javier Viola <363911+pepoviola@users.noreply.github.com>
Co-authored-by: Javier Viola <javier@parity.io>

Because `polkadot-sdk` depends on `zombienet-sdk`, outdated dependencies
will slow its compilation.
This PR align dependencies with `polkadot-sdk`

Fix race condition (overriding files in fileserver).

Fix `fn nodes()` visibility (#277)

fix #274 

refactor trait and fix `nodes()` visibility.

- Fixes
  - #275

fix for https://github.com/paritytech/polkadot-sdk/issues/6575

cc: @iulianbarbu

- Added
   - ChainUpgrade trait, implemented for both relay and parachain.
 
- Add example of parachain upgrade.

cc @ordian