Backporting #3865 to 1.7 crates release for the `pallet-balances`.

---------

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

Backport of #4229 into the v1.7.0 release in order to support dependent
runtimes. This version of the SDK doesn't have
`UncheckedOnRuntimeUpgrade`, so I do it the "old way".

Signed-off-by: georgepisaltu <[email protected]>

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

Co-authored-by: georgepisaltu <[email protected]>

We'll need to prepare a hotfix `1.2.2` release for fellowship runtimes
We need to republish `bp-header-chain` with minor version bump.

Part of: https://github.com/paritytech/polkadot-sdk/issues/4107

Backports for 1.7: 
- https://github.com/paritytech/polkadot-sdk/pull/3639
- https://github.com/paritytech/polkadot-sdk/pull/3706

Relevant Issues:
- https://github.com/paritytech/polkadot-sdk/issues/3245

Add `SetFeesMode { jit_withdraw: true }` before
`InitiateReserveWithdraw` instruction to allow paying JIT fees in the
executor.

This is backport of https://github.com/paritytech/polkadot-sdk/pull/3792

This is a cherry-pick from master of
https://github.com/paritytech/polkadot-sdk/pull/3790



Expected patches for (1.7.0):
snowbridge-pallet-ethereum-client
snowbridge-pallet-inbound-queue
snowbridge-pallet-outbound-queue
snowbridge-outbound-queue-runtime-api
snowbridge-pallet-system
snowbridge-core

---------

Co-authored-by: Vincent Geddes <[email protected]>
Co-authored-by: claravanstaden <Cats 4 life!>
Co-authored-by: Vincent Geddes <[email protected]>
Co-authored-by: Adrian Catangiu <[email protected]>

This is a cherry-pick from master of
https://github.com/paritytech/polkadot-sdk/pull/3727 and
https://github.com/paritytech/polkadot-sdk/pull/3790

Expected patches for (1.7.0):
snowbridge-pallet-ethereum-client
snowbridge-pallet-inbound-queue
snowbridge-pallet-outbound-queue
snowbridge-outbound-queue-runtime-api
snowbridge-pallet-system
snowbridge-core

This is a cherry-pick from master of
https://github.com/paritytech/polkadot-sdk/pull/3722



Expected patches for (1.7.0):
 `pallet-authorithy-discovery`

Signed-off-by: Alexandru Gheorghe <[email protected]>
Co-authored-by: Bastian Köcher <[email protected]>

Relates to: https://github.com/polkadot-fellows/runtimes/issues/231
Fixes: https://github.com/paritytech/parity-bridges-common/issues/2874

Expected patches for (1.7.0):
- pallet-xcm `8.0.3`

Backport of https://github.com/paritytech/polkadot-sdk/pull/3564

Expected patches for (1.7.0):
- penpal-runtime `0.15.1`

Backport https://github.com/paritytech/polkadot-sdk/pull/3403

 to
polkadot-sdk 1.7.0

Co-authored-by: Adrian Catangiu <[email protected]>