Bring in SDK changes up to v0.50.10 and Mark v0.50.10-pio-1.

[SpicyLemon]

Description

This PR brings in all of the SDK changes from (and including) v0.50.8, v0.50.9, and v0.50.10.

One change of note is to the events emitted during InputOutputCoins. The SDK added the sender to the transfer events that are emitted. They can do that because they limit it to a single input, so there's only ever one sender and it can be included in all of those events. However, ours allows for multiple inputs, so it's a little more complicated. The result, though, is that almost all transaction events that it emits will have all there of recipient, sender, and amount, just like the SendCoins events. The only way the sender won't be there is if there are multiple inputs (and one output), but when applying the send restrictions, the recipient is changed for at least one, but not all of the input addresses. E.g. The output address has opted into quarantine and has auto-accept enabled for one of the input addresses, but not the rest. I'm expecting that to be a super rare case though.

Here are the places where I made changes on top of the SDK v0.50.10 changes:

• x/bank/keeper/send.go: Their change just added the AttributeKeySender attribute to the transfer event, but ours took a little more work (as pointed out above).
• x/bank/keeper/keeper_test.go: The SDK alternates between the addCoins event and the transfer event for each output address, so the event they're looking for is at index 27. But for us, we emit all the addCoins events, then all the transfer events, which ends up basically swapping event 27 and 28 in that test, so for us, we're expecting that event at 28.
• CHANGELOG.md: Added entry for this PR.

---

Author Checklist

All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.

I have...

• included the correct type prefix in the PR title
• added ! to the type prefix if API or client breaking change
• targeted the correct branch (see PR Targeting)
• provided a link to the relevant issue or specification
• followed the guidelines for building modules
• included the necessary unit and integration tests
• added a changelog entry to CHANGELOG.md
• included comments for documenting Go code
• updated the relevant documentation or specification
• reviewed "Files changed" and left comments if necessary
• confirmed all CI checks have passed

Reviewers Checklist

All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.

I have...

• confirmed the correct type prefix in the PR title
• confirmed ! in the type prefix if API or client breaking change
• confirmed all author checklist items have been addressed
• reviewed state machine logic
• reviewed API design and naming
• reviewed documentation is accurate
• reviewed tests and test coverage
• manually tested (if applicable)

[SpicyLemon]

I ran the following make targets locally and they all completed successfully:

• make test
• make test-sim-nondeterminism
• make test-sim-import-export
• make test-sim-after-import
• make test-sim-multi-seed-short